Monkey D. Luffy/Relationships

Family


Monkey D. Luffy's family is filled with incredibly notorious and powerful individuals. This includes his grandfather, Monkey D. Garp, who is considered a hero within the Marines and the man who had gone toe-to-toe with Gol D. Roger, the Pirate King. His father, Monkey D. Dragon, the head of the Revolutionary Army, the most wanted man in the world and the greatest enemy to the World Government. His two brothers, Portgas D. Ace and Sabo, who are not connected to him via blood but are his sworn brothers through the ritual of drinking sake. Ace became the Second Division commander under the Yonko, Whitebeard, who was considered the strongest man alive, and achieved a bounty of 550,000,000. Sabo is the second in command of the Revolutionary Army, serving directly under Luffy's father, Dragon, and has a bounty of 602,000,000. His foster mother, Curly Dadan, is a bandit and the boss of the Dadan Family. Luffy's biological mother and grandmother are still unknown.

Monkey D. Dragon


Luffy has never met Dragon, despite him being his father, and for a long time he did not even think he had one. He has never inquired about his father to anyone, not even his grandfather, Garp. He also had no idea who Dragon was, as a criminal or as the head of the Revolutionary Army. He was left confused by everyone’s, including his crew’s, shock when Garp revealed to them all who his father is.

Since then, Luffy has not really cared to learn more about Dragon and is not at all fazed by his father’s reputation. He never mentions or discusses him and has never tried to locate him. The only time Luffy has taken any interest in his father was when he read that Blackbeard had attacked the base of the Revolutionary Army, and got his first look at Dragon’s face, commenting that he looks nothing like him. He nonchalantly told Ivankov that Dragon, who Ivankov served under, was his father whilst he was discussing his role in the Revolutionary Army.

Dragon, on the other hand, seems to keep up with his son’s exploits, although this is rarely shown. He is completely accepting of Luffy’s decision to become a pirate and expects great things of his son. He made an appearance in Loguetown in order to save Luffy from Smoker and as his son sailed away to the Grand Line he shouted towards him with a smile to go forth and fill his desires. This is the closest Dragon has ever been to meeting his son. He smiled when he heard the news of Luffy's actions at Enies Lobby, talking to himself that Luffy should live the life he wants, and that the day for them to meet will eventually come. It was noted by Ivankov that Dragon tends to stare off into the distance in the direction of East Blue, where Luffy was born, acting as some sort of homing instinct. Much like Luffy, he casually confirmed to his men that Luffy is indeed his son. It appears that Sabo likes to regularly inform Dragon of Luffy’s exploits and he has been seen going over his adventure in Totto Land. He sounded somewhat grateful for Ivankov’s role in protecting Luffy during the Battle of Marineford, but remarked that Luffy is not a child one has to keep their eye on. Ivankov told Luffy that Dragon is not the kind of man to allow his son to get executed when he mistakenly believed that Ace was also Dragon's son.

Since this connection was fully revealed by Fleet Admiral Sengoku during the Battle of Marineford, Luffy has garnered a lot of attention, both positive and negative. He has been labeled a 'dangerous future element' and has been hunted down, personally, by Admiral Akainu, as well as the World Government who escalated their hunt for Luffy, although this is now mostly because of Luffy’s own actions than his relationship with his father. He has gained allies because of his connection to Dragon, such as Ivankov and Kuma, the latter of whom never revealed to Luffy he was aiding him in order to maintain his cover. His connection with Dragon has also inspired fear into some people, with members of the Marines growing wary of fighting Luffy.

Portgas D. Ace


Portgas D. Ace was a notorious pirate of Whitebeard’s crew who was the sworn brother of Luffy and Sabo. The two shared an extremely close bond that was forged in their childhood. They first met when they were kids after Luffy was sent to Dadan by his grandfather, Garp. They grew close on their many misadventures and eventually recognized each other as brothers through the ritual drinking of sake. Luffy was fully aware that Ace's father was Gol D. Roger.

The pair got off to a bad start as Ace was hostile towards Luffy and at one point spat on him before they had been introduced. Luffy was determined to become friends with Ace, however, and persistently followed him around trying to win him over, having to overcome constant dangers forced upon him by Ace for three months. Luffy eventually won Ace over when he refused to reveal the location of Ace’s treasure stash to Porchemy. Impressed, and understanding the loneliness that Luffy felt, Ace decided to become friends with him.

Throughout their childhood the pair would regularly fight to see who was stronger, with Luffy losing every time despite the advantage of having a Devil Fruit. Nonetheless, Luffy remained determined to one day defeat Ace. They swore over a bottle of sake that they are brothers and continued living their lives of misadventures throughout Foosha Village. They grew even closer after Sabo’s apparent death, the devastating loss of their brother hardened their determination to become pirates and they both promised each other that once they turn 17 they would set out for sea, with Ace doing so first as he was three years older than Luffy. They would reunite in Alabasta whilst Ace was on the hunt for Blackbeard and Luffy was aiding Princess Vivi. Once he had held off Smoker for Luffy he met up with him on his ship and offered Luffy to join the Whitebeard pirates, despite knowing he would say no. He was introduced to Luffy’s crew, the Straw Hats, and Ace implicitly apologized to them for the trouble his brother causes them without needing to know the details. The two were very friendly and happy to see each other again after three years. He then chose to leave Luffy and his crew before giving him his Vivre Card so they could meet up again.

Ace cares deeply for Luffy and became angry with Blackbeard when he stated that he will try and capture Luffy and hand him over to the Marines, responding that he would not just let him do that to his brother. This protectiveness of Luffy has been a staple of his relationship since they were kids, as he would often intervene when Garp was too rough or harsh with Luffy. He grew distressed when he overheard that Luffy had made it inside Impel Down and actively tried to rush back into the elevator to head down to the level he was on but was stopped by Magellan. He was angry with Luffy when he arrived at the Battle of Marineford because he feared that he was going to get himself killed, however, he pretended that it was a matter of his pride. Despite this, he could not help but be surprised that Luffy could use Haoshoku Haki and being joyful when Luffy had successfully freed him from his seastone handcuffs, both lamenting and praising him. He then quickly tried to flee the battlefield with Luffy. However, it would be Ace’s loyalty and protectiveness that would be his downfall. Having taken the bait by Admiral Akainu, he tried to protect Whitebeard’s pride and ended up having to take a direct hit from one of Akainu's attacks that was aimed at Luffy, destroying his internal organs. He collapsed into Luffy’s arm and poignantly noted that he would not get to see him become the Pirate King, being certain that he would achieve this dream. But nonetheless, he died with a smile on his face after thanking Luffy for loving him when nobody else would.

Luffy greatly admired Ace and is proud of his accomplishments out at sea. His devotion to Ace is so high that he was willing to infiltrate the Marines’s most notorious prison to save him, and then immediately traveled to the Battle of Marineford to try and save Ace from his execution. When it came to saving him, Luffy outright refuted any pleas for him to stop, shouting back at his brother that he can say whatever he likes, but that he was still going to try and save him regardless. This devotion greatly impressed Whitebeard and his crew who all followed suit. Ace’s death crushed Luffy both mentally and emotionally. The shock from losing his brother sent Luffy into such a catatonic state that he was completely unable to react to his surroundings and protect himself. He almost certainly would have died at the hands of the Marines and Akainu if it were not for the allies he had around him. He had to be carried off the battlefield and eventually woke up at Amazon Lily and had a mental breakdown, not being able to fully comprehend Ace’s death and at times outright refused to believe it was true, whilst also lashing out destructively at his environment. It was only thanks to Jinbe that Luffy was able to get out of this depression and continue living his dream of becoming the Pirate King, like he promised to Ace so many years ago.

Since the time-skip Luffy has not talked about Ace as the topic has never come up. This changed when he landed on Wano and met a young girl named Tama who had befriended Ace. She was unaware that he had died due to Wano being cut off from the rest of the world, forcing Luffy to bluntly tell her that Ace was now gone, showing he had come to terms with his passing. Whilst in Dressrosa he abandoned his original mission there in order to compete in the gladiatorial games as Ace’s Devil Fruit, the Mera Mera no Mi, was the prize and did not want anyone else to have it. Whilst fighting Chinjao, Luffy was greatly angered when he mocked Ace’s death and unleashed his Gomu Gomu no Thor Elephant Gun on him.

Monkey D. Garp


Monkey D. Garp is a Vice-Admiral, a hero of the Marines, and is Luffy's grandfather. Due to being a prideful member of the Marines, Garp had high expectations of his grandson and wished for him to become a Marine just like him. As a result, he was extremely vexed that his grandson chose to become a pirate instead, the natural enemies of the Marines, and blamed Shanks for ‘corrupting’ him. Nonetheless, he cares deeply for his grandson and has shown to be proud of some of his achievements. Luffy loves, but also fears, his grandfather. However, the two get along quite well with each other, often laughing or scolding one another.

It is unknown how Garp came into custody of Luffy. However, it is assumed that because of the nature of Dragon’s life as a revolutionary, he had passed Luffy off to Garp to be raised by him. Luffy’s childhood relationship with Garp was dominated by the latter’s unorthodox, and brutal, training methods, such as throwing him into valleys, leaving him alone in dangerous forests, and tying him to balloons to fly at high altitudes. He did all this with the explicit goal of making Luffy a strong Marine. Due to Garp’s work, he had to give Luffy to Dadan, a local mountain bandit, whilst he was away. He regularly returned to Luffy during his vacations and held training sessions with him and Ace, and at one time, with Sabo.

Due to his experiences of Garp from his childhood, Luffy has developed a fear of him whilst having also grown to love him. This was highlighted when the pair reunited in Water 7 and Luffy was immediately on the receiving end of one of Garp’s punches. Such was Luffy’s fear of Garp he refused to fight back and told his crew not to attempt anything either. The two are more than capable of pleasant chit-chat however, as despite the rough start to them reuniting they were happy to see each other, Garp even told Luffy about who his father was and updated him on Shanks, as well as inform him about the Yonkos. He also promised Luffy he would not try and stop him leaving Water 7 and was willing to falsify a report to do so. However, he was later forced to renege on this promise but was happy to see he managed to escape him. The two share similarities, such as their bizarre habit of spontaneously falling asleep, as they both did so whilst Garp was scolding Luffy, shocking everyone. The Straw Hats noted that he really must be Luffy’s grandfather because of the striking similarities in their personalities.

Luffy was completely ignorant of Garp’s great reputation within the Marines and had no idea his own grandfather fought on an equal footing with the Pirate King, Gol D. Roger, until his crew informed him. However, Luffy shrugged it off and still seeis him as just his grandfather. Due to his love for his grandfather he was extremely reluctant to fight him during the Battle of Marineford, despite him standing between him and Ace, but eventually gave in and punched him out of his path. Since the time skip Luffy has not met his grandfather but showed some curiosity in seeing him again after Chinjao mentioned him. He does not appear to hold a grudge against Garp for being indirectly involved with Ace’s execution and eventual death, fully understanding that Garp’s duty as a Marine made it difficult for him to act.

Although he is greatly disappointed by Luffy’s decision to become a pirate, he is still pleased with how Luffy has turned out as a person. Garp was upfront about how proud he was when he heard that Luffy had outrageously infiltrated Impel Down, remarking gleefully that his grandson had done it again, annoying Fleet Admiral Sengoku. He was left in a panic when he saw Luffy falling from the sky to join the Battle of Marineford, fearing for his well-being. He was the least surprised out of everybody that Luffy could use Haoshoku Haki, simply remarking that he did inherit it after all. Due to Garp's pride and loyalty to the Marines he accepted that he had to try and stop Luffy reaching Ace. He shouted at Luffy to be a man and take him on as that was the only way he could save his brother. As Luffy attacked him Garp's loyalty to his grandchildren won out and he allowed Luffy to strike him. He was guilt stricken by the loss of Ace and Luffy's suffering, despite trying to hide it, and took a beating from Dadan over the serious pain Luffy was going through. Since the time skip, Garp has become more lax about his grandson’s well being, as he did not seem fazed by the news that two members of the Yonko, Kaido and Big Mom, had teamed up to take down Luffy, instead just laughing it off.

Curly Dadan


Dadan is the foster mother of Ace and Luffy and is a notorious Mountain Bandit. She was extremely reluctant to take on Luffy as she felt her hands were already full with Ace, but was blackmailed by Garp to do so. Luffy disliked Mountain Bandits due to being captured by the mountain bandit, Higuma, and almost fed to a Sea King by him before Shanks saved him. Despite this, they grew to love and care for each other deeply.

She was often left flabbergasted by Luffy’s attitude, as he never seemed fazed by the threats or challenges she threw at him. Remarking that both he and Ace are too strong for her to handle. Dandan was initially cold to Luffy as she stated outright that she does not care if he were to die, leaving him out in a forest for a week. This started to change, however, as she begrudgingly got use to his presence and was willing to rescue him and Ace from the pirate captain, Bluejam. She was greatly distraught over Ace’s death, but even more so for Luffy, knowing full well that his heart is in complete agony. She begged him not give in to the pain and to bounce back. She proudly declared that no matter what Luffy does, she will always be on his side.

Luffy was greatly worried for her well-being when she was defending him from Bluejam. He had grown attached to Dadan and wished for her and the rest of her family to see him off before he sets sail on his pirate journey. However, she stubbornly refused whilst trying to put on a brave face. Before leaving, Luffy told her once again that he hates Mountain Bandits, but that he likes her, causing her to burst into tears.

Dandan has been seen making a scrapbook of news articles about Luffy whilst her bandit family were wearing Straw Hats. She was overjoyed when she heard the news of Luffy defeating the Shichibukai, Doflamingo, and his bounty increasing, having a party with her bandit family and the rest of Foosha Village to celebrate.

Sabo


Like Ace, Sabo was initially annoyed with Luffy when they first met. At first, Sabo wanted to kill Luffy for discovering his and Ace's plans. However, when Luffy refused to give away the location of Ace and Sabo's treasure to Porchemy, Sabo and Ace rescued and befriended him. Like with Ace, Luffy is very close to Sabo, who had a tendency to defend or save Luffy when they were hunting together.

Sabo, Luffy, and Ace shared a drink, making them official brothers and establishing the deep bond between the three. According to Luffy, Sabo was a nicer brother to him than Ace. When Sabo's father came to take him back, Sabo willingly returned with him so that Luffy and Ace would be safe from the hired pirate Bluejam. When Sabo's apparent death was reported by Dogra, Luffy grieved by crying all night until he fell asleep. Luffy only snapped out of this sorrowful moment when Ace told him to live proudly, as Sabo wanted. Sabo's supposed death was also one of the main motivations for Luffy to become stronger.

When Sabo and Luffy were reunited after twelve whole years, Luffy did not recognize him at first and even challenged him after hearing he would not let him have Ace's Mera Mera no Mi. However, he reacted in shock upon realizing the latter's identity. Luffy quickly embraced Sabo while crying joyfully after finding out his remaining brother was alive and well. Sabo thanked Luffy for surviving the Battle of Marineford and asked for permission to eat the Mera Mera no Mi which Luffy unhesitatingly allowed. When Jesus Burgess attempted to kill Luffy, Sabo quickly intercepted him and Luffy was happy to see his brother again even more so after seeing that Sabo inherited Ace's power. When Sabo was preparing to leave Dressrosa, he left Luffy a Vivre Card and entrusted Luffy's safety to the Straw Hats similar to what Ace once did in the past.

After learning about the Blackbeard Pirates' attack on the Revolutionary Army's base, Luffy expressed worry for Sabo's safety and only calmed down when Pedro mentioned the possibility of Sabo being okay due to there being no mention of him being killed or captured.

Straw Hat Pirates
To find such loyal companions... your son is indeed amazing... Dragon.

The Straw Hats are made up of people who have dominated Luffy’s adult life. They were all recruited personally by Luffy and have all developed a deep bond with each other, especially with Luffy, their captain. It is fair to say that Luffy values no one more than his Straw Hat crew members and sees them less as his crew and more as his family. His dedication to them is boundless and will go above and beyond for any single one of them and this sentiment is reciprocated by each one for Luffy.

Each member of the Straw Hats have gained extreme notoriety because of their association with Luffy and having aided him in nearly every single one of his antics. This reputation and notoriety has strengthened their bond with their captain and they feel they could not be anywhere else but on their ship, alongside him. This has resulted in a cumulative bounty of a staggering 3,161,000,100 across ten members, ranging from as low as 100 to as high as 1,500,000,000. Luffy is constantly thankful for the support his friends provide him and believes in all of their abilities unwaveringly and does not discriminate against any of them when recruiting or giving them orders. Part of Luffy’s ability to succeed is him being able to have absolute trust in his crew members in any situation they find themselves in. This was made most apparent when Luffy fought Rob Lucci and he noted that he could not go and save his crew as he would have to take his eyes off Lucci, who would then quickly kill them all, and so chose to trust his friends to save themselves, instead, which earned him the CP9 agent's praise.

What a capable captain... If only a certain idiot could have heard you.

Compared to other pirate captains Luffy does not impose any sense of superiority over his crew, treating them as complete equals and is easily the most laid back out of them all. He is comfortable with surrendering his authority when the situation calls for it, this is dominantly seen with Nami, his navigator, as he allows her to be the voice of authority when it comes to sailing the ship across the seas. None of his crew members refer to him as ‘captain’ and instead call him by his name, a sign of how close they are. Despite the fact that they can all be frustrated by some of Luffy’s decisions and recklessness they all share undying loyalty to him and will follow his orders without question whenever he is serious.

As noted earlier, Luffy does not have a preference when recruiting someone, not on sex, race, age or even strength. He is somewhat aware of having to recruit people who are capable in specific professions, such as cooking, medicine and navigation, having managed to recruit some of the best in each one. He has pestered most of his crew members to join such as Zoro, Nami, Sanji, Chopper, Franky and Brook, with Usopp and Robin joining of their own accord. Jinbe is much more mixed on this front as he wanted to join but only after he had concluded some unfinished business. He also has the tendency to recruit people he just met, such as Brook, and again with numerous zombies he found interesting whilst on Thriller Bark.

Luffy has the habit of putting his crew in great danger, much to their annoyance, however, this does not come out of a disregard for their lives but instead it is because he has absolute faith in their abilities and his own. He burdens himself with the responsibility of protecting every single member of his crew if the situation calls for it. Although this has dominantly worked out in his favor, this eventually led to him losing every single one of them on Sabaody Archipelago when Bartholomew Kuma used his Devil Fruit abilities to scatter them all. This experience crushed Luffy as he lamented himself for not being able to save a single one of his crew members. His crew are very much aware of Luffy’s idea of an adventure, with some, such as Nami, Usopp and Chopper, often trying to hide information from him that could lead to him making a more dangerous decision for them. This was notable when Luffy overheard the details of Nami’s new compass and how it points to the most dangerous island, causing Nami and Usopp to panic once they realized Luffy understood what had been said, and even threatened to break the compass. This difference over 'adventure' often leads to Nami and Luffy bickering about who decides to go where.



Luffy’s determination for his crew members has been put on full display numerous times. After Nami had betrayed him he followed her back to her home village and managed to defeat Arlong, the fish-man who had cruelly oppressed her since she was a child, in order to free her from him and have her return to his crew. He carried a sick Nami on his back, as well as an injured Sanji, up a 5,000 meter mountain in order to get them medical attention whilst in a blizzard, which was made even more grueling due to rubber's reaction to the cold. When Nico Robin was taken by CP9 to Enies Lobby he stormed the facility, fighting through hundreds of Marines and defeated two members of CP9, including their strongest fighter, Rob Lucci, to get her back. When Luffy had reached his lowest point after the death of Ace, falling into a pit of dispair, he was able to recover after Jinbe, who was not yet part of the Straw Hats, reminded him of his crew, which made Luffy realise he has something to live for and cried out that he wanted to see them all. After Sanji had been taken by the Yonko, Big Mom, he infiltrated her territory, sabotaged the wedding and fought Katakuri for twelve hours and remained defiant even as Sanji brutally attacked him so he could get his cook to return. He was left completely distraught after having to defeat Usopp and kick him out of his crew and was overjoyed when he returned. He was extremely angry when he saw all his crew members had been defeated by Enel and Nami had been taken captive by him. After he witnessed the Yonko, Kaido, destroy Oden Castle, where his crew were hiding, he flew into a rage and attacked him.

​​​​​His entire crew are aware of the effort Luffy puts in trying to protect them, as he always takes on the strongest opponent in every fight they get involved in. This led to some self-reflection for all of them after they heard that, whilst they were stuck on their respective islands, Luffy had fought in an extremely dangerous war to rescue his brother, Ace, but ended in failure. Upon receiving Luffy’s message to wait two years they all, independently, decided to do everything they can to become stronger and more capable for their captain. They have grown dedicated to Luffy and bluntly refused Kuma’s offer of saving their own lives in exchange for their captain's, and have ridiculed anyone who insults Luffy’s dream of becoming the Pirate King. By extension, they feel a debt of gratitude towards Luffy for having been responsible for reviving their own respective dreams.

Luffy is dominantly responsible for the fun that his crew has on their journey. He is the life of any party they have and tends to succeed in putting a smile on their faces. Unlike most crews, Luffy’s crew seems to be the only one to commit some act of violence towards their captain, mostly in comedic fashion, as a way to vent their frustration with him, Nami being the biggest culprit. They always look to him for a direction to go and for a decision to be made. Though this has caused conflict due to Luffy’s unorthodox thinking and rationale, they often still accept that Luffy can understand what to do in each difficult situation they find themselves in and have come to tolerate Luffy’s reckless nature, and now even expect it.

The Straw Hat that Luffy dons has become the moniker of their crew and is extremely precious to Luffy, having received it from Shanks when he was just a child. He deeply cares for his hat and remarked that it is his treasure. He becomes greatly upset whenever he loses it or it has been damaged, with the hat having to be repaired by Nami. He rarely lets anyone else hold on to it aside from Nami, placing it on her head during the Arlong and Skypiea arc and letting her hold onto it during the Drum Island and Jaya arc. It is purported to be a sign of Luffy’s absolute trust in whoever he gives it to. The only other member to have worn it is Usopp, very briefly, during the Davy Back Fight arc. This trend has mostly subsided now that a string has been attached to his hat so that he longer loses it whilst fighting.

Roronoa Zoro


The first crew member to join the Straw Hats and the second friend Luffy made out at sea, Roronoa Zoro is a former bounty hunter that hunted down pirates. He has become of one Luffy’s most reliable crew mates due to his unwavering loyalty to him. The two sometimes clash due to their differing personalities but highly respect and admire each other. They are good friends and are easily the deadliest duo among the Straw Hats. Out of all the crew members, Zoro and Luffy share the most apparent ‘brothers in arms’ relationship.

He was initially completely against Luffy’s offer to join his crew, finding it laughable due to the nature of his work. However, upon discovering that he would be receiving a dishonorable death at the hands of a corrupt Marine, he agreed to Luffy’s offer if it meant being saved. Zoro has an extreme affinity for honor and thus followed through on his deal with Luffy after he had been saved by him, but still warned his new captain that he would cut him down if he got in the way of his dream of becoming the World’s Strongest Swordsman. However, Luffy shrugged this off and simply said that the Pirate King should have the World's Strongest Swordsman by his side.



Since then, Zoro has followed Luffy faithfully and has been by his side on every step of his journey. The two have clashed from time to time, such as at Whiskey Peak when Luffy mistakenly believed that Zoro had slaughtered innocent villagers because they gave him food he did not like. Nonetheless, Zoro has never given Luffy any reason to doubt his loyalty and his actions have shown that he is perhaps the most dedicated to Luffy. He often acts as the unofficial First Mate and tends to enforce Luffy’s rights as captain, reminding his fellow crew members that a captain’s words are absolute. Due to this belief, he can often be frustrated by Luffy’s mellowed personality and lack of initiative when it comes to leadership duties, and at one point threatened to leave if Luffy accepted Usopp back into the crew so readily. He reminded Luffy that Usopp went against his captain, something that is unforgivable, and believed that accepting his return so easily would be allowing him to walk all over his authority as captain. This rationale convinced Luffy not to immediately let Usopp come back and instead wait for him to apologise.

Luffy recognizes Zoro as one of the strongest members of his crew and has complete faith in his abilities. He is never overly concerned about Zoro as he is well aware of his incredible sword skills and knows he can take care of himself. He once casually asked him to slice an oncoming train cart in half, shocking the Franky Family, which he did so comfortably. However, he was greatly distraught when he believed that Mihawk had killed Zoro and was ready to fight the Shichibukai, but was relieved to see he had allowed his swordsman to live. He was also upset to see what Enel had done to Zoro and the rest of his crew, swearing to take him down. He cherishes his friendship with Zoro and was overjoyed when he was reunited with him in Wano, launching himself towards his swordsman and hugging him, with Zoro returning the sentiment, greeting Luffy with a big smile. He can still frustrate Zoro and is not above trying to pull pranks on him, such as putting his bugger in his drink, however this did not turn out as he had hoped, he also jokingly impersonates him and his habit of oversleeping. Luffy sometimes propels himself at Zoro when trying to catch up to him, causing them to collide, and has grabbed Zoro when jumping off high places to quickly reach the bottom, something Zoro does not enjoy. He upset Zoro due to his poor handling of a katana and throwing the scabbard about, but still chose to tease the swordsman by refusing his request to inspect his sword.



Zoro shares a similar mentality to that of Luffy's, he is rarely shocked or overwhelmed by the dangerous situations he finds himself in, taking on any challenge in front of him with a smile. He shares a similar blood lust for battle and is thus a valuable and dependable ally to Luffy during fights, as he is never fazed by who he is up against. On top of this, his sword skills, physical prowess and mental fortitude, especially post time-skip, has made him one of Luffy’s most dangerous combatants, and has earned the swordsman the fourth highest Straw Hat bounty of 320,000,000. He greatly admires Luffy for his unwavering determination, complete lack of fear, incredible fighting capabilities and even, at times, his craziness. He was pleased to see Luffy was able to use Haoshoku Haki on Fish-Man Island to knock out 50,000 of Hody Jones's crew, jokingly remarking that if he was not capable of doing that much he was not worthy of being his captain. He has dropped his initial condition of Luffy ever getting in the way of his dream, tearfully declaring to Luffy, after his defeat to Mihawk, that he will never lose another fight again whilst he is his swordsman, a promise he has somewhat maintained. Whilst on Thriller Bark, he was more than prepared to give up his own life for Luffy’s sake when given the choice by Bartholomew Kuma, which led to him to take on all of Luffy’s pain that he had accumulated from his fight with Gecko Moria, on top of his own, that left him in a coma for three days.

Zoro is a firm believer that a crew must follow their captain’s order without question, regardless of the consequences. He acts as one of Luffy’s most trusted advisers and reminded him after his fight with Usopp that a life of a captain is not easy and that if he wavers the crew has no one else they can turn to. He also reprimanded Luffy on Punk Hazard for letting his guard down against Caesar Clown, feeling frustrated that they had just entered the New World and are already struggling. Although he has the habit of reassuring people about Luffy’s well-being during fights, often telling them to believe in their captain, he does care for Luffy and will try to protect him if his captain is in trouble. He tried to leave Kuraigana Island after discovering that Luffy had fought in the Battle of Marineford and lost his brother, Ace, right before his eyes, worrying for his captain’s well-being. He decided to forgo his honor and begged Mihawk to train him in order to become stronger for Luffy’s sake, and admitted that he cannot achieve his own dream if he cannot help Luffy achieve his. He implied during the Davy Back Fight arc that Luffy is the sole reason for him being a pirate and stated he would give up his life of piracy if it meant not having him as his captain.

Nami
NAMI...!! You're one of us now, okay?!!

Nami, who was originally part of the Arlong Pirates, was the second person to join Luffy's crew. She and Luffy share one of the closest relationships among the Straw Hats and they both have a mutual reliance on each other, with Luffy relying on Nami as his navigator and for day-to-day tasks, whilst Nami relies on Luffy as a pillar of strength during dangerous and frantic times. The two are often seen arguing, with Nami getting frustrated by Luffy’s antics and stupidity and Luffy being annoyed at Nami for being overbearing and ruining his fun. Nonetheless, they deeply care for each other and the two balance each other out, Luffy is the fighter and Nami is the thinker.

Luffy is dominantly responsible for changing Nami’s views on pirates. Due to her experiences with Arlong, she held a strong hatred of pirates and Luffy was no exception, at one point trying to attack him after seeing the devastation that had been done to Orange Town. However, after seeing his interaction with the dog, Chouchou, working alongside him to defeat Buggy, and realizing he was not as bad she originally thought, she decided to partner with him at the very least, but later joined the Straw Hats. However, Nami betrayed Luffy and the crew during the Baratie arc, having stolen their ship with all their treasure on board, and returned to Arlong, but did so with tears in her eyes as she hoped Luffy and the others would still consider her their friend the next time they meet, whilst also wondering if they actually would ever meet again. Luffy’s opinion of her did not waver and he remained determined to have her in his crew, in spite of Zoro's and Usopp's protests, flat out stating to them that he would not accept anyone else as his navigator. He travelled to her village and defeated Arlong for her, liberating both her, and her village, from his rule. Since Luffy defeated Arlong she has become a mainstay of the crew and has developed a fierce loyalty to Luffy, feeling indebted to him for everything he has done for her.

Nami acts as one of Luffy’s lead advisers and counsels him numerous times throughout their journey. She was present when Luffy formed an alliance with Trafalgar Law, and sat by Luffy’s side when he formed an alliance with Capone Bege and the Fire Tank Pirates, and comically offered up her negotiation skills during the formation of the Ninja-Pirate-Mink-Samurai alliance. She also negotiated the money that Luffy and their crew gained from the treasure they had taken from Skypiea and avoided them getting scammed. Nami tends to be the one to keep Luffy in line on their journey, keeping him focused on the task at hand and trying to make sure he does not do anything too reckless, such as on Syrup Village when she aggressively wakes Luffy up after he was put asleep during the fight. When talking with Haredas, she says that it is her responsibility to deal with Luffy and to make sure he does not die when traversing the seas, acknowledging that he is high-maintenance but wants to help him nonetheless. Luffy seems to hold the most trust in her out of all his crewmates as she is the only person he consistently surrenders all of his authority to when it comes to sailing the ship, and follows her orders to the letter. Furthermore, he lets her be in charge of the finances of the crew.



She sees Luffy as the person she can turn to, and rely on, when emotionally distressed or feeling frightened. On Syrup Village, she was very happy to see Luffy was ready to fight after she had managed to wake him up. When she broke down after Arlong had betrayed her deal, denying her the chance to free herself and her village from him, she turned to Luffy in tears and asked for his help. She prayed for Luffy to come and save her when Enel had taken her to his ship and was overjoyed to see he had arrived. During the Water 7 arc she tearfully begged Luffy to get Robin back after discovering she left their crew, not of her own volition, but to keep them safe. This contrasted sharply to when she informed Chopper of the same thing moments before where she was instead extremely happy Robin did not want to leave them after all. In Sabaody Archipelago, she desperately calls for Luffy to help her just before she is sent away by Bartholomew Kuma. In the Zou Arc, once she had reunited with Luffy, she immediately ran up to him, hugged him tightly, and apologized for allowing Sanji to be taken away by the Big Mom Pirates.

Like a lot of the other members of the Straw Hats, she has complete faith in Luffy’s abilities, rarely doubting him in a fight, and is often left amazed by his feats, strength and determination. She was delighted to see Luffy had defeated Arlong and tearfully cried when he called out to her to say she is his friend. She was moved by Luffy’s determination to ring the bell on Skypiea in order to exonerate Mont Blanc Noland and inform his descendant, Mont Blanc Cricket, of its existence and location, and was willing to aid him in this endeavor whilst entrusting her life to him. She was stunned by Luffy’s sheer strength when he destroyed two buildings after getting stuck between them on Water 7. After the time-skip, she was amazed at how much stronger Luffy had gotten when he defeated the Kraken effortlessly whilst on their way to Fish-Man Island, despite being underwater. When Luffy defeated Charlotte Cracker with Gear Fourth Tankman she was left completely stunned and soon became incredibly happy at her's and Luffy's victory against a Sweet Commander. She was relieved, and amazed, to see Luffy had not only survived his fight with Katakuri but had won. Nami was also left utterly astonished by Luffy's lineage when she found out the Marine hero, Monkey D. Garp, is his grandfather. Upon seeing the two argue about saying their goodbyes, she remarked that their selfishness shows they are blood related. She was even more shocked when she was told his father is Monkey D. Dragon, commenting that his father is an outrageous man.

Despite this, she is regularly worries for Luffy throughout their adventures, such as when he was fighting Arlong on her behalf and when he fought Enel to save her. Having read that Luffy witnessed his brother, Ace, get killed she became upset and tried to escape Weatheria, telling herself she needed to get to him before his heart completely shatters, knowing full well what he is going through. She became embarrassed when Haredas pointed out her “fake tears” were still flowing, hitting him. Whilst the Straw Hats were chatting among themselves during Luffy’s fight with Hody Jones, she can be seen looking up at Luffy with a worried expression. When Luffy was poisoned by the Armored Stonefish that he ate on the way to Whole Cake Island she holds onto Luffy’s hand and desperately calls out to him. She is thankful when Reiju saves Luffy’s life but blushed when she did so by sucking out the poison with mouth-to-mouth. When Luffy refused to fight Sanji she was extremely upset at the beating Sanji was giving him, begging him to stop and came to Luffy’s aid. She became greatly distressed when Luffy was going to tear off his own arms to free himself from the prison shackles on him. When Luffy had gone to fight Katakuri she was worried for him and was reluctant to break all the mirrors leading to the Mirro-World, despite Luffy ordering her to do so, because it would prevent him from escaping and getting back to the Thousand Sunny.

Luffy has absolute loyalty and faith in Nami and does not doubt her for a second. He was greatly angered when Johnny mistakenly believed that Nami had killed Usopp, calling him a liar and threatened to "kick his ass" for saying such things. This differs greatly to when he was told that Zoro had slaughtered the people of Whisky Peak in cold blood, believing this accusation despite the source being unreliable. Luffy was hellbent on getting Nami back to his crew and completely disregarded her request to leave her village, angering her. He chose not to listen to Nojiko tell the story of Nami’s past, as nothing she could tell him would change his mind of trying to get her back, having already decided what he will do. Despite Nami's lack of fighting talents, Luffy does not hesitate to have her by his side in a fight, such as when they worked together in defeating Buggy in Orange Town, and again when they worked together to defeat the Sweet Commander, Charlotte Cracker. He never tries to stop her fighting opponents, instead trusting her to win, and has no qualms when she goes off to complete tasks she has been assigned regardless of the danger. Whilst on the ship, he listens to Nami's orders when it comes to sailing, trusting her intuition and knowledge as a navigator, and never questions her.

Luffy has been shown to care for Nami’s well-being and does not tolerate anyone upsetting her, standing by the promise he made to Genzo back on Cocoyasi Village. He shouted at Arlong, right after he had punched him, not to make his navigator cry after the fish-man had greatly upset her. He became extremely angry when he deduced that Arlong had imprisoned Nami in a room throughout her childhood to draw maps for him. He told the fish-man that he knew how to help her and proceeded to destroy the entire room, with Nami tearfully thanking Luffy once she realised what he was doing. When she was sick with a mysterious illness Luffy did everything he could to try and cheer her up and spent most his time in her room. He carried her, and an injured Sanji, up a 5,000 meter high mountain, barehanded and in a blizzard that significantly increases his pain due to rubber’s reaction to the cold, in order to get a doctor for her. He was angry when he failed to reach out for her just before Kuma swiped her away, causing him to attack the Shichibukai. He has carried her to safety numerous times, often via his Gomu Gomu Rocket, although she is not fond of this kind of escape.

Throughout their adventures Nami has been the only person Luffy has given his straw hat to, either to wear as a source of comfort before he fights or to look after it. The first time is before his fight with Arlong, with Nami recalling Luffy saying his hat is his treasure and teared up at the gesture and later placed it back on his head after he had won. He does so again before he fights Enel, and Nami continued to look after his hat even during her own fight with him. He let her hold onto his hat at varying points during the Drum Island and Jaya arcs. It is suspected that whoever Luffy gives his hat to is a sign of who he trusts the most. This has mostly subsided now that Luffy has a string attached to his hat that stops him from losing it during a fight. She is the only person he has allowed to fix his hat when it has been damaged, as well as letting her modify it, asking her to stitch Ace’s Vivre Card on the inside.

Realizing her own shortcomings, she turned to Usopp to help make her a device so she can be more capable in fights, feeling guilty that Luffy and the others constantly have to save her. When she received Luffy’s message to wait two years she was frustrated by this decision but decided to spend her time to get stronger and become a more capable navigator for Luffy’s sake, believing she owed him so much for all he has done for her. The two have rarely fought side by side but did so against Buggy when they first met, and again when fighting Charlotte Cracker, where she proved to be crucial to Luffy’s victory both times. She has become a firm believer in Luffy’s dream to become the Pirate King, slapping Sanji for disrespecting it and remained defiant towards Charlotte Cracker, remarking that he might be the right-hand man of a Yonko but her captain will become the Pirate King.

The two can often be seen arguing which has become a staple of their friendship, although the arguments they have dominantly comes from Nami. A running gag between the two is Nami’s tendency to habitually overcharge Luffy whenever he requests something from her, such as after lending her jacket to him during the Drum Island arc she charged him a heavy sum for ruining it. She has since toned down this habit as it once inadvertently led to Luffy destroying their food supplies when he tried to cook in Sanji’s absence. Another gag is Nami being one of the very few people who can hurt Luffy at will despite him being made of rubber, but for the most part Luffy tolerates it. Since the time-skip, Nami has become more accepting of Luffy’s antics, whereas before she would try and keep him under control to avoid him causing chaos, which normally ended in failure, she now accepts whatever chaos Luffy brings with him. This change notably started whilst in Sabaody Archipelago when she just accepted that her captain had punched a Celestial Dragon and brushed it off, despite the severe repercussions. Nonetheless, she is very wary of her captain's desires for adventure, knowing that it often leads to danger and chaos, and screamed when she realised Luffy understood how the New World Log Pose worked.

Usopp


Usopp, the former captain of the ‘Usopp Pirates’, became the third member to join Luffy’s crew. The two share a close bond of brotherly love. Whilst Usopp is cowardly and weak Luffy does not disparage him for it in the slightest and values him as a crew member, being distraught when he was forced to kick Usopp out and overjoyed when he had come back. They are seen engaging in silly antics on the ship and the two are notorious for being the idiots of the crew. Like Nami and Chopper, he greatly fears Luffy’s lust for dangerous adventures.

They first met on Syrup Village and Usopp, a habitual liar, tried to intimidate Luffy and his small crew but completely failed in this endeavor. Luffy knew who Usopp was as he had met his father, who is an officer and sniper of the Red-Haired Pirates, back in his home village. After defeating Kuro, who was plotting to kill Usopp’s friend, Kaya, he became inspired to go out to sea and start his own pirate journey. Initially believing they would not want him to join, he became overjoyed when he was invited aboard the Straw Hats’ ship to sail with them, becoming their newest member.

Since then, he has been a faithful member of Luffy’s crew and does his best to contribute wherever he can and was responsible for mending the ship before they had recruited Franky. He is also a gadgets expert and invents various equipment and weapons to become more useful for Luffy in fights. When testing a canon, he greatly impressed Luffy with his aiming and was made the gunner of the Straw Hats. He greatly admires his captain and often lies about himself in the mold of Luffy, falsely taking credit for some of his achievements. Luffy has made such a profound impact on him that he has mostly shed his cowardly personality, although it still remains, having become more comfortable and adept at fighting and adventuring. He once angered Luffy when he went to ask Silvers Rayleigh for the location of One Piece, with his captain delivering an impassioned speech to him, convincing Usopp to accept his captain’s desire and apologises.



The two reached a breaking point over the decision of the Going Merry. Usopp cherished the ship as it embodied his friendship with Kaya. He also took care of the ship, the only thing he felt he was truly useful for, and thus was extremely angry that Luffy was casually willing to abandon it. He quit the crew and challenged Luffy to a duel for the Going Merry. He lost the fight despite putting on a good show. Luffy was greatly upset about having to fight his best-friend and despised every moment of it. Having won, he left the Going Merry to Usopp and solemnly walked away, kicking him out of the crew.

This did not effect their genuine concern for each other, however. Upon discovering the situation with Robin and his desire to help, but knowing he could not face Luffy, he disguised himself as ‘Sogeking’ and succeeded in fooling Luffy, as well as Chopper, that he was not Usopp, despite failing with everybody else. Under this disguise he aided Luffy and the crew in their quest to save Robin. At the end of the Enies Lobby arc he was expecting to be welcomed back into the crew but panicked when he saw them sailing away, this realization caused him to break down and scream out he is sorry, prompting Luffy to stretch his arms over and grab him, tearfully welcoming him back into the crew. Luffy was originally more than prepared to welcome Usopp back, desperately wanting to do so in fact, but was counselled by Zoro that doing so would tarnish his authority as captain, and thus had to wait for him to apologise. Their friendship immediately recovered following his return and their qualms were over, they continued where they left off, with their shenanigans aboard their new ship, the Thousand Sunny.

Usopp cares for Luffy greatly and was devastated after hearing the news of Ace’s death during the Battle of Marineford, and later resolved to become stronger for his captain’s sake after he received Luffy’s message, training with Heracles for two years where he made one of the most notable improvements among the Straw Hats. He is an adamant believer in Luffy’s dream to become the Pirate King, fully believing that his captain will succeed and, despite being a coward, will ridicule anyone who claims otherwise, even though he might be much weaker than them. He notably remained defiant in front of Bartholomew Kuma when given the option to save his own life in exchange for Luffy’s. He was the one to save Luffy when he could no longer move after his victory against Rob Lucci, despite the serious danger to his own life. Earlier in Luffy’s fight with Lucci, he gave an emotional speech to him, reprimanding Luffy for losing and threatened the CP9 agent himself as a way to spur his captain to get back on his feet, successfully doing so. He became so worried about the thought of losing his memories of Luffy, due to Sugar’s Devil Fruit abilities that he awakened his Kenbunshoku Haki in order to launch his attack to stop her turning Luffy into a toy.

Luffy is wary over Usopp’s well-being, as he both has faith in him but is aware of his lack of fighting skills and timid personality when faced with danger. He was extremely angry when he saw what Franky and his family had done to him on Water 7 and proceeded to beat up all of them and destroyed their house. Post time-skip he has gained a lot more confidence in Usopp’s abilities, stopping Trafalgar D. Water Law from apprehending Caesar Clown because he knew Usopp could handle him, he shows no reservations with Usopp being in the Tontatta’s plans as he believed he will be of great use to them, and was pleased that Cavendish acknowledged Usopp for his success in defeating Sugar and ending her Devil Fruit magic over Dressrosa. He also seems to view Usopp’s habit of lying as an admirable skill, remarking to Arlong that, alongside not being able to use swords, navigate or cook, he is also not capable of lying like Usopp can.

Like some of the others, Usopp greatly fears his captain’s tendency for adventure. He panicked and screamed when he realized Luffy had overheard how the New World Log Pose works and contemplated destroying it. He has become one of the characters to occasionally beat up Luffy for saying or doing silly things, even by his standards. When he found out about Luffy's father and grandfather he was left completely stunned. Usopp is the only other member of the Straw Hats, besides Nami, to have worn Luffy’s hat, very briefly doing so during the Davy Back Fight arc after he made Luffy wear an afro for his fight with Foxy. They both share a similar desire of meeting the Red-Haired Pirates, with Luffy wanting to reunite with Shanks, and Usopp wanting to reunite with his father. They are both extremely prone to being amazed by pretty much anything, from ninjas to robots to Bon Clay’s Devil Fruit abilities.

Sanji


Sanji is a former cook of the Baratie and the fourth member to join the Straw Hats. He is arguably one of Luffy’s favourite crew mates because of his incredible cooking skills that satisfies his gluttonous nature. He is somewhat more antagonistic to Luffy than most, as he gets frustrated by his reckless nature and dimwittedness, but nonetheless respects him immensely and values him as his captain and as his friend. He was in tears from having to fight Luffy after he had left the Straw Hats and was extremely happy to return to them, as was Luffy, who was excited for him to cook again. ​​​

The two first met during the Baratie arc after he impressed Luffy due to his desire to feed the hungry Gin, regardless if he is friend or enemy, prompting the Straw Hat captain to hound him to join his crew. He refused and mocked Luffy’s dream of becoming the Pirate King, whilst also mocking his own, but still told Luffy about his dream to one day see the All Blue. After witnessing Luffy’s fearless and determined fight against Don Krieg, that he eventually won, and after saving the Straw Hat captain when he fell into the water, he agreed to join Luffy and his crew, giving an emotional farewell to Zeff and everyone at the Baratie.

He has acted as the chef of the Straw Hats since he joined, regularly making everyone’s food. Although he admitted to Luffy that he prioritises the women first and cooks the left overs to him and the rest of the guys, Luffy was not at all bothered by this as it still tasted good. On top of being the cook, he is one of the Luffy’s most capable combatants and is easily in the top four strongest members of the Straw Hats, having earned the third highest bounty within the crew, standing at 330,000,000. He has proven to be extremely valuable to Luffy, taking on some of the strongest opponents and working well with him as a fighting partner. He was extremely reluctant to leave the crew but did so under the threat of his former colleagues, adoptive family and friends being killed. Despite genuinely liking Pudding, his betrothed, he refused to marry her in order to return to Luffy and the crew.

Luffy loves Sanji’s cooking and will stop whatever he is doing in order to have some of whatever he makes. After the time-skip Luffy was extremely excited to eat more of Sanji’s food, having gone two years without any. He values Sanji highly as part of his crew and outright stated that he can not become the Pirate King without him, causing Sanji to cry. Due to Sanji’s upfront personality Luffy rarely gets annoyed with him but did so when he refused to admit that he wanted to come back to the crew, punching him in face even though he had earlier refused to fight back against him. Luffy was overjoyed upon his return and was ecstatic when Sanji said he will cook something. Luffy disregards all but one of Sanji's family members because of how cruelly they treat him. When Vinsmoke Judge questioned Luffy’s decision to get Sanji back in his crew, asking why he was so determined for him whilst listing all his failures, Luffy simply said goodbye and was confused why he was naming all the good things about Sanji. His trust in Sanji is so high that he gave him the authority of captain when he, along with Nami, Chopper, Brook, as well as their prisoner, Caesar Clown, were forced to leave Dressrosa with the Thousand Sunny whilst being chased by the Big Mom Pirates.

After he had discovered that Sanji had been taken away to Big Mom’s territory his determination for Sanji was put on full display. He traveled to the Yonko’s territory, infiltrated her Chateau, fought against Big Mom, her army and Sweet Commanders Charlotte Cracker, and Charlotte Katakuri, for an extensive amount of time against both of them, just to make sure he could get Sanji back safe and sound. He even promised Sanji that he would not move from where he was standing, nor eat any food, unless it was made by him. He stuck to this promise despite how badly his health deteriorated, and even declined Reiju's offer for food. He was greatly angered by Charlotte Cracker’s comments over Sanji’s loyalty and attacked the Sweet Commander for saying Sanji would prefer to live a life of luxury with his new family. Luffy did not waver in the face of Sanji’s stubbornness when he refused to return to the crew and chose to take the full brunt of Sanji’s attacks without retaliating. Such was Luffy’s desire for Sanji to return he was more than willing to allow his bride to join the crew so long as Sanji came back with her, but was disappointed to find out that such a marriage would mean Sanji joining the Big Mom pirates. Luffy immediately accepted Sanji’s request to help out his family as they were going to be assassinated by the Big Mom pirates, understanding that he could not force Sanji to leave his family behind.



Sanji is incredibly dedicated to Luffy and fully supports his dream of becoming the Pirate King. He competed with Zoro to be the one to take Luffy's place when Bartholomew Kuma tried to take Luffy away, but was knocked out by the swordsman. Realizing Luffy’s message, he chose to spend the next two years training with Ivankov and the Okamas to get stronger for Luffy’s sake. He was impressed, but also not surprised, at Luffy being able to use Haoshoku Haki, remarking that he suspected he was capable of such a thing. He told Capone Bege that he would never do anything to risk Luffy’s dream and believed with absolute certainty he would succeed. Despite this, he did mock Luffy’s dream of becoming the Pirate King when he fought him, but only did so to try and discourage Luffy from chasing after him. Following Zoro’s beliefs, he states he has lost his right to rejoin the crew after he had insulted and attacked his captain, but gave into Luffy’s refusal of this excuse. When Pudding was worrying over Luffy's chances against her brother, Katakuri, he calmly told her that Luffy will be fine and that her brother will experience his first defeat. Knowing where Luffy would be exiting, he waited patiently for his captain’s return from his fight with Katakuri and proceeded to carry the unconscious Luffy from Cacao Island back to the Thousand Sunny, fighting through hoards of Big Mom’s crew and suffering numerous injuries.

When meeting Monkey D. Garp, Sanji remarked on his incredible strength and was shocked when he found out he is Luffy's grandfather, and was even more shocked by the identity of his father. Due to his lustful desires, Sanji has been seen from time to time getting jealous of Luffy, such as when he discovered that he had been sent to Amazon Lily by Kuma, an island full of only women, and for having gained the affection of the Pirate Empress, Boa Hancock. He is also somewhat jealous of Luffy for gaining the admiraiton of Shirahoshi, shouting at him that he is a lucky bastard when she hugged him after he had saved her. He is also willing to chastise his captain if he does anything to a woman, such as when he punched Vivi, argues with Nami, or when he believed that he had done something terrible to Nico Robin. He tends to get frustrated by Luffy’s eating habits and has to set up numerous safe guards to stop him emptying the fridge during the night. Whenever food goes missing his first suspect is always Luffy. He was embarrassed when Luffy had discovered his raid suit, given to him by Niji, with Luffy begging him to try it on.

Tony Tony Chopper


Chopper is a doctor hailing from Drum Island, he was formerly under the service of Dr. Kureha and was a student of the late Dr. Hiriluk. He is the fifth member to join the Straw Hats, the first Devil Fruit user and is the crew’s doctor. He has faithfully followed Luffy through all his adventures since joining. Due to being the youngest member of the crew he is very impressionable of Luffy and gets involved in his silly antics despite his innocent nature. The two greatly respect each other and he admires Luffy as his captain, only questioning him whenever he is at risk of injuring himself or does not adhere to his medical orders. His admiration stems from Luffy accepting him for who he is, as oppose to a monster by nearly everybody else.

After Luffy had carried Nami and Sanji to the top of the mountain where Chopper resides with Dr. Kureha, he found the trio and nursed them all back to health, having been amazed by Luffy’s effort for his friends. He got off to a chaotic start with him as he is an extremely timid person and was thrown off by Luffy’s eccentric and bubbly personality. He was chased by Luffy when he was hungry as he was tempted to eat Chopper, but in reality he wanted to ask him to join his crew. He was moved by Luffy’s determination to protect his pirate flag, that belonged to Dr. Hiriluk, atop his home from Wapol’s attacks, and became grateful after he had defeated the former king. He was still refusing to join Luffy’s crew, however, despite desperately wanting to do so. Whilst trying to explain how being half human and half reindeer makes him a monster, and as to why he cannot join his crew, Luffy flat out told him to shut up and to come with them, causing Chopper to cry and agree to join him.

He is grateful to Luffy, not just for accepting him for who he is, but for also being interested in him and his abilities. He is happy that Luffy is not at all fazed by his appearance, having been treated so poorly by reindeers and humans for much of his life. This has made him become extremely grateful for the family Luffy has given him and the confidence to interact with people again. He is a determined member of the crew as he always looks to help Luffy in any way he can, from fighting to medical aid. Although he is not as brave as Zoro, he is not as cowardly as Usopp either, having shown he is a capable fighter despite his bounty only being 100. His former teacher, Dr. Hiriluk, first introduced him to what a pirate is, with Hiriluk leaving a strong, positive, impression on Chopper on the ideal pirate, and has come to see Luffy as the personification of the pirate Dr. Hiriluk was talking about. Chopper has become a faithful admirer of Luffy and is constantly astounded by his impressive feats, especially when he goes beyond his human limitations, however, the excessiveness of how far Luffy pushes himself can irritate Chopper as a doctor. He was stunned when he found out that Luffy had developed an extremely strong immunity to most poisons. He enquired to Luffy if he defeated Katakuri and was amazed when he replied that he had. After receiving Luffy’s message to wait two years, Chopper resolved to become a “monster” so he can become stronger for Luffy's sake.



Luffy is very friendly with Chopper and acts as an older brother of sorts. He does not patronize him for being the youngest member of the crew and treats him on an equal footing with everybody else. He often gets caught up in a lot of fun with Chopper as they mess around on the ship quite a lot. He has complete faith in Chopper’s abilities as a medic and was willing to allow the children on Punk Hazard to suffer from their withdrawal symptoms on Chopper’s orders, trusting his doctor. Luffy has full trust in his abilities as a fighter and is never too worried about his well-being, he is also willing to listen to Chopper from time to time about his health. Some of the other crew members have concerns of how much of an impression Luffy has on the young Chopper, not wanting him to lose his innocence.

As a comedic gag, Chopper will jump into water to try and save Luffy whenever he is drowning, having forgotten he is also a Devil Fruit user and cannot swim. Luffy has sometimes contemplated eating Chopper whenever he has gotten extremely hungry. Chopper has copied Luffy’s party trick of sticking two chopsticks up his nose and into the bottom of his mouth. Since the time skip, Chopper has become more prone in beating up Luffy whenever he says or does something ridiculous. He is just as amazed as Luffy whenever he finds something interesting and cool, such as Sanji's raid suit, and was also fooled, just like Luffy, by Usopp’s alter-ego, Sogeking. Both Luffy and Chopper possess the ability to understand animals, Luffy because he possesses the “Voice of all Things” and Chopper because he is half reindeer, although this ability is much more inconsistent for Luffy. They ate an entire cafe on Cacao Island as they both have a strong stweet tooth.

Nico Robin


A former agent of Baroque Works and Crocodile’s right-hand woman, Nico Robin became the sixth member to join Luffy’s crew and the second Devil Fruit user. Out of all his crew members Robin is the one he shares a complete wholesome relationship with as the two get on extremely well and have yet to be seen arguing. After she rejoined the Straw Hats she has continued being a reliable and devoted friend for Luffy. She is the archaeologist of the Straw Hats and deciphers the poneglyphs for them.

Luffy and Robin briefly met for the first time as he and his crew sailed out of Whiskey Peak. She boarded his ship, took his straw hat, decided to offer some aid for their next location and left. Luffy was very mixed on how to view her, as she seemed friendly but worked for the enemy. Ultimately, he was still distrustful and destroyed the log pose she had given him. Robin saved Luffy after his first fight with Crocodile and made it apparent she was very interested in Luffy as he carried the initial “D” in his name. Later, she provided the antidote to the poison Luffy had been afflicted with by Crocodile after his victory against him. When he woke up he proceeded to save her from the collapsing underground grave despite her protest. She later turned up on the Going Merry as the Straw Hats sailed away from Alabasta and argued that Luffy had forced her to live and thus should take responsibility by letting her join his crew, with Luffy accepting without hesitation, shocking his crew, apart from Sanji.

The two get on extremely well. Their interactions can be somewhat infrequent compared to the rest of the Straw Hats, but when they do interact it is always positive. They both deeply care for each other and respect each other’s abilities. Robin will take on the role of aiding Luffy with simple matters that are troubling him, having gotten a good grip of how his mind works. Her relationship with Luffy can be described as somewhat motherly as she has been seen feeding Luffy some of her food, and out of all the crew members, she is by far the most patient and calm around him. She is not at all bothered by his stupidity, recklessness or carelessness, in fact she seems to admire these qualities. She tends to smile, and sometimes laugh, at Luffy’s childish antics. This was first seen back in Alabast when Luffy had chosen to drink a full barrel of water in order to take on Crocodile by spraying him with the water from his mouth, causing her to chuckle at his bizarre improvisation. She also has a keen interest in Luffy since they frist met, taking a liking to the Straw Hat captain's bold and upfront personality.

She is very grateful to Luffy for having saved her life, twice. Due to her past, where she lost her family and friends and became an orphaned child hunted by the World Government, she failed to find a place she could call home until she met Luffy. It was Luffy that convinced her to keep living even if the world does not want her to. Those words had a great impact on her and convinced her to join his crew. She no longer felt lonely by the fact that she was chased by the World Government, as Luffy pointed out to her that he and his crew are also enemies of the world. Slowly, but surely, she became more comfortable with Luffy and his friends and began to open up, bonding with Luffy and growing to respect him as her leader and as her friend. She was devastated for him when she found out his brother, Ace, had died during the Battle of Marineford whilst he was trying to save him and was very concerned for his well-being. She decided, after receiving Luffy’s message to wait two years, to try and become stronger for him.

Similar to Zoro, she is completely accepting of Luffy’s decisions as captain and does not hesitate in any situation she is put into by his reckless adventuring. She is fully prepared to take on whoever is put in her way for the sake of helping her captain. She does try and offer up advice from time to time, such as when Luffy had created an alliance with Trafalgar D. Water Law and she warned him that, although she is happy to go along with him, alliances are often marred by betrayals. She has a fundamental understanding of how Luffy’s mind works, as when Luffy could not remember who Marco was despite everyone telling him he had met the Whitebeard First Division Commander at the Battle of Marineford, Robin was able to jog his memory by simply telling Luffy he is the guy who looks like a pineapple.



Luffy cares for Robin greatly and does not tolerate anyone hurting her or taking her away. He has faith in her abilities as a fighter and she is often among the first to follow Luffy into battle. He was extremely angry after being told that she had been taken against her will by CP9 in order to keep him, and the rest of the crew, safe. Such was his anger he charged head first into Enies Lobby on his own, fighting through hundreds of Marines and two CP9 agents, including their strongest fighter, Rob Lucci. He was more than willing to burn the flag of the World Government as a sign of his complete disregard for them in his quest to save Robin. This act of rebellion shocked Robin and caused her to cry at how far Luffy was willing to go for her sake. He then passionately demanded her to say she wants to live and when Robin responded by saying she does, and begged him to take her out to sea with him and his crew, he became even more determined to save her. On Sabaody Archipelago Luffy tried to reach out and save Robin from Bartholomew Kuma but failed to do so, with her being the final crew member he lost to the Shichibukai before being sent away himself.

Robin's faith in Luffy is absolute, like most of the crew. Whilst being escorted by Spandam and Rob Lucci she became elated when Luffy had finally caught up to her and could not help but smile when she heard his voice call out her name. Following the time-skip she was greatly impressed by the improvements he has made and was amazed when he used Haoshoku Haki to knock out 50,000 of Hody Jones’s crew. When Bartolomeo addimitted he was willing to risk his life for Luffy’s sake, Robin acknowledged his feelings, telling him that Luffy is the kind of man worth dying for and that he is the trump card that brings their crew victory. After being told by Nekomamushi that a person of her abilities, to read poneglyphs, is rare and that a lot of people would try to kidnap her, she simply responded that she has faith in her captain and crew to not allow such a thing to happen becuase they are strong, causing Luffy to comically blush over the compliment and state he would fight anyone for her.

Robin often takes on some of Luffy’s habits, such as repeating nicknames he has assigned to people. Out of all the Straw Hats, including Luffy himself, Robin is the only one who has met his father, Dragon. Due to her knowledge of world affairs, she was greatly shocked, interested and amused upon discovering that Garp is Luffy’s grandfather and Dragon is his father. She was further surprised to hear that he has connections with the Yonko, Red-Haired Shanks, finding her captain all the more interesting. Luffy has complimented her intelligence to Iceburg and this has led Luffy to go to Robin when he wants to know information about certain individuals, including his own father.

Franky


Franky is the former head of the Franky Family, the seventh person to join the Straw Hats and is the shipwright for them. He is responsible for building the Straw Hat's new ship, the Thousand Sunny, just before he joined them. Him and Luffy share a great bond and get on extremely well, he acts as a sort of older brother to his captain and enjoys entertaining him with his various inventions and robotic body. He has tremendous trust in Luffy’s abilities and his role as captain, greatly admiring him. Luffy likes Franky a lot and is obsessed with his robotic body and is constantly amused by it. He has complete faith in him as his shipwright and as a fighter.

The two first met on Water 7 and got off to a bad start as he and his family had just beaten up, and robbed, Usopp. This seriously angered Luffy and led to the Straw Hat captain, as well as Zoro, Chopper and Sanji, beating up the Franky Family and destroying the Franky House. This, in turn, led to Franky wanting revenge for his family and attacking Luffy in broad day light whilst he was with Nami. Their fight was soon interrupted and Luffy fled, leaving Franky behind. He was later attacked by CP9 whilst with Usopp and the two were taken hostage by them, along with Robin. He ends up becoming an ally of the Straw Hats to defeat CP9 and save their crew member, successfully doing so. After receiving his first bounty for aiding the Straw Hats he was convinced to join them as their official shipwright after building them the Thousand Sunny from the Adam Wood he had bought from the money he had stolen from Usopp.

Throughout the Enies Lobby arc, Franky came to respect and understand Luffy, and was amazed by his strength and determination to save his crew and even agreed to try and save Robin for him. When he discovered Luffy’s family ties he was stunned at how notorious they all are and commented that it partly explains how he is so strong. He desired to join the Straw Hats but this conflicted with his wish to remain in Water 7, as he was still guilt stricken about his mentor’s death. After Robin and Iceburg were able to convince him to move on, he agreed to join Luffy’s crew. He grew to admire Luffy and chose him and his crew to fulfil his dream of having a ship that he built from the legendary Adam Wood to be sailed all around the world, believing them to be worthy. After he had received Luffy’s message to wait two years, he chose to spend the time modifying his robotic body in order to become more useful, and more capable, for his captain.

Luffy has a great amount of trust and respect for Franky, he completely accepts his knowledge as a shipwright and mechnaic, and although he rarely understands what he is talking about, he trusts him anyway. He also acknowledges Franky as a capable fighter, happy to have him by his side and has faith in Franky completing individual missions, such as recovering the Thousand Sunny whilst on Punk Hazard and aiding the Tontatta Kingdom. Such is Luffy’s trust in him, he was willing to let Franky eat his late brother’s Devil Fruit, the Mera Mera no Mi, despite not wanting anyone else to have it. Due to his child-like mentality, he is easily amazed by Franky’s cyborg modifications, something Franky happily indulges him in, and is left dumbfounded by some of the weapons and constructions he makes, especially General Franky. He believes Franky epitomises a boy’s dream.

Franky shares a similar outgoing personality like Luffy, but without the stupidity, which helps them to get along. Due to Franky’s emotional sensitivities he has sometimes cried profusely with, or for, Luffy. He is very laid back with his captain and finds him funny and endearing. He still respects his authority, though, and asked for his permission to aid the dwarfs whilst on Dressrosa and was overjoyed to hear Luffy approving his request. During the Enies Lobby arc he offered his aid to Luffy in his fight against Rob Lucci, but agreed to his request to save Robin instead. He refused Luffy’s offer to eat the Mera Mera no Mi as he did not wish to no longer be able to swim, but encouraged Luffy to go and retrieve his deceased brother’s Devil Fruit, despite being aware that it is probably a trap, telling his captain to not let this chance slip away as he will regret it.

Brook


Brook is the former musician and acting captain of the Rumbar Pirates and is the eighth person to join the Straw Hats, the third Devil Fruit user and is the oldest member of the crew. He is one of Luffy’s most committed crew members and is very loyal to him. The two get on extremely well because of their similar upbeat and eccentric personalities. Their relationship is defined by their identical childish nature, with Brook being continously excited and bubbly, finding the joy in most situations, just like his captain. Luffy adores Brook greatly because he is a musician and a skeleton. Brook will often play songs for him and his crew, from a piano, violin or guitar.

Luffy met Brook as they travelled through the Florian Triangle, sailing past the skeleton's ship with the Straw Hats spotting him and immediately becoming fightened because of his appearance, apart from Luffy who was intrigued. He boarded Brook’s ship and immediately asked him to join his crew, annoying his crew mates. Brook accepted and went to their ship where he explained his past, and current, situation. He ultimately declined Luffy’s offer to join his crew as he could not leave the Florian Triangle without his shadow that had been taken by Gecko Moria, however Luffy resolved to get Brook’s shadow back so he could join. Having succeeded in defeating Gecko Moria, with the aid of Brook, and returning his shadow, Brook was still somewhat hesitant to join Luffy’s crew as he had a commitment to a whale he and his crew met, and befriended, called Laboon, and wished to know if he is still alive. Luffy and his crew also met Laboon when they first entered the Grand Line and Luffy happily informed him of Laboon’s well-being, causing him to cry and then join Luffy’s crew. Brook revealed his wanted poster and pledged his loyalty to the Straw Hat captain.

Their relationship is immensely positive and they get on very well with each other. They also respect each other’s positions, with Luffy being the captain and Brook being the musician and the second swordsman of the crew, after Zoro. They both acknowledge each other’s capabilities as Brook always believes that Luffy will win his fights and Luffy trusts Brook to handle the situations he finds himself in. His trust in Brook is so high that he allows him to join Pedro in recovering the road poneglyph that is in Big Mom’s possession, an extremely important task that is fundamental to finding Laugh Tale, where One Piece is allegedly located. They also share a sense of relatiability over their friendship and care for Laboon.

Brook is extremely grateful for Luffy welcoming him into the Straw Hats due to having spent the last fifty years alone and has experienced extreme isolation and depression from losing all of his friends. Luffy was able to end that misery by giving him a family to call his own among the Straw Hats. Just the offer of joining his crew brought Brook a lot of happiness because he has been alone for so long. Its because of this that Brook’s loyalty to Luffy is extremely high and prefers to only take orders from him, as he initially declined Momonosuke’s request to provide entertainment, stating he only takes orders from his captain. After the two year time-skip he was in tears after having reunited with Luffy, stating that he had missed him so much. Brook gave up his life as a rockstar in order to return to Luffy and the crew. He tends to join Luffy, alongside Usopp and Chopper, in immature antics and will often indulge and encourage some of Luffy’s childlike behaviours. He is a firm believer that Luffy will become Pirate King, proudly stating that his captain will achieve his dream during his fight with Zeo. Whilst fighting Big Mom he praised his captain highly to her, informing the Yonko that there isn’t a wall that Luffy could not break through in pursuit of his ambitions.

Luffy likes Brook greatly and respects him as a swordsman of the Straw Hats. Unlike the rest of the crew, he immediately became friends with Brook and enjoys his company immensely. Luffy is greatly intrigued by him being a skeleton and enjoys his humour, especially the Skull Jokes that he makes. His initial impressions of Brook were so positive that he offered him a place on his crew despite having just met him, finding him hilarious, and chose to help Brook regain his shadow for the purpose of recruiting him. Another huge reason why Luffy likes him so much is because he is a musician, something Luffy has wanted in his crew since the start of his journey, and even prioritised getting a musician before a doctor or a cook, and is very fond of Brook’s rendition of Binks' Sake. Brook is one of the few crew members that can consistently make him laugh.

Jinbe


Jinbe is a former ally of the Big Mom Pirates, the former captain of the Sun Pirates, and a former Shichibukai, who is the ninth person to join the Straw Hats and is their helmsman. Luffy and Jinbe hold each other in the highest regard and share a relationship of mutual respect, with Jinbe acting as a key adviser to Luffy, whilst Luffy acknowledges his wisdom. Jinbe is amazed by Luffy's tenacity, strength and kind heartedness and Luffy is impressed with his talents as a fighter and helmsman. However, Luffy has been frustrated by not having him in his crew on a consistent basis since he joined.

They first met in Impel Down when Luffy infiltrated the Marine base to rescue his brother, Ace, who Jinbe had been imprisoned with. Jinbe convinced Luffy to let him out as he wished to aid him in saving Ace as he considered him a good friend. He proved to be an extremely helpful ally when escaping out of Impel Down and during the Battle of Marineford, where the two grew to respect each other. Having helped Luffy overcome Ace’s death the two parted on very good terms and wished to see each other again. They would meet on Fish-Man Island after two years and worked together to defeat Hody Jones and his crew, the New Fish-Man Pirates. Whilst receiving his blood after his fight, Luffy officially asked Jinbe to join his crew, but he declined due to business he had to attend to first, but asked Luffy to make him the offer again when they next meet. They would meet again on Whole Cake Island where he saved Luffy and Nami from being tortured and worked with the Straw Hats to help Sanji escape and assassinate Big Mom. It was during the wedding ceremony that Jinbe officially declared to the Yonko that he will leave the Big Mom Pirates and join the Straw Hats.

The two share a great admiration for each other, as Jinbe came to highly respect Luffy for his reckless rescue effort in Impel Down just for his brother, and his incredible determination on the battlefield at Marineford, showing no fear despite some of the strongest individuals in the world being present. Jinbe possesses the unique ability to talk sense into Luffy and to get him to understand the precarious situation he finds himself in, hoping that the Straw Hat captain will act accordingly. Luffy respects Jinbe’s counsel and tries to take in some of his reasoning before he acts. Although this has led the two to get into heated arguments, and at one point, a brief fight, but this was quickly resolved. He is one of Luffy’s most powerful crew members and is in the top four strongest fighters, having the second highest bounty in the crew at 438,000,000. The two have fought alongside each other when they tried to escape Impel Down and proved to be a devastating force.

Jinbe has a high amount of admiration for Luffy and will try to protect and save him whenever he can. During the Battle of Marineford he took on Gecko Moria in order to protect Luffy. Despite his desire for Luffy to not die, he agreed to his request to launch him over the barrier and onto the platform, allowing him to be the first to breach the Marines’s defence, even though Luffy would have to face all three Admirals on his own. His admiration reached a point where he bluntly told Admiral Akainu that he would happily lay down his life to protect Luffy, a monumental statement as Jinbe rarely respects anyone outside of the Whitebeard Pirates. He took a powerful hit from Akainu during his escape whilst carrying Luffy, only to apologise to Luffy for allowing him to get hurt. He almost died because of it, but managed to survive thanks to Trafalgar D. Water Law. Whilst talking to Law he stated how greatly worried he was for Luffy and his well-being once he realises that Ace is dead. He chose to stay by Luffy’s side whilst he recovered on Amazon Lily and was the key to helping him come to terms with Ace’s death, reminding him that he still has people to live for, namely his crew. On Fish-Man Island he offered up his own blood when Luffy had lost a lot of his, despite being a Fish-Man in a country that forbids fish-men sharing blood with humans. He saved both Luffy and Nami from Charlotte Opera and freed them both from captivity. He saved Luffy from Katakuri’s attack by throwing tea on the Sweet Commander’s leg which nullified his Devil Fruit abilities. When he announced his decision to leave the Big Mom Pirates he had no fear of the Yonko’s wrath, rendering her Devil Fruit powers useless, and proudly stated to her that he has no fear because he is joining the crew of the next Pirate King.

Luffy reciprocates the respect Jinbe has for him, and talked positively of him to his crew mates, acknowledging him as the reason why he survived the war. His praise for him encouraged Nami to forgive Jinbe for his indirect role in Arlong’s oppression of Cocoyashi Village and who had tormented her since childhood. Luffy values Jinbe as his ally and crew mate, and appreciated how much he tried to help him during the Battle of Marineford, as well as helping him bounce back from Ace’s death. By the end of the Fish-Man Island arc he gleefully requested Jinbe to join his crew and was extremely disappointed when he declined, but made him promise him that once he had completed his unfinished business he would find him again so he could join his crew, with Jinbe promising to do so. He was happy to be reunited with Jinbe on Whole Cake Island and was overjoyed when he announced to Big Mom of his decision to join the Straw Hats. He was extremely happy to have him as part of his crew and trusted him to look after Brook, Carrot, Nami and Chopper whilst he was away fighting Katakuri. He was very annoyed by Jinbe’s decision to not travel with him and his crew to Wano, but understood that he could not leave his former crew behind at the mercy of the Big Mom Pirates. Luffy then reminded Jinbe that he is his captain now, and ordered him to not die and reunite with him in Wano. When the newspaper had arrived with reports of the events on Whole Cake Island, Luffy immediately wanted to read it to find out about Jinbe but could not find anything on him​.

Despite his vast experience and affiliations with some of the most notorious pirates, he is still left shocked by Luffy and his actions. He was stunned that he would infiltrate Impel Down for Ace, something that not even Whitebeard attempted. He was frustrated by Luffy’s determination to fight Hody Jones despite the repercussions it would have on the relations between fish-men and humans, at one point calling him foolish, and he was further shocked at Luffy’s declaration that he does not wish to be a hero. When Luffy defeated Katakuri, out of all the crew members, Jinbe was the most surprised, understanding what Luffy had achieved. He was intrigued when Fleet Admiral Sengoku revealed that Luffy is the son of Monkey D. Dragon, but was not as surprised as a lot of the others.

He is the only crew member so far to have been shown to talk sense into Luffy and have him follow the plans that are best to tackle the situation they are in. The first time was during Impel Down when he convinced Luffy not to waste time fighting Blackbeard as Ace was more important, despite his own desires to attack Blackbeard. He was able to stop Luffy from heading back into Impel Down to try and rescue Bon Clay, explaining that doing so would make his sacrifice count for nothing. Whilst on Fish-Man Island he, despite a tedious process and a brief fight, convinced Luffy to follow his plan on making him a hero to Fish-Man Island, although he had to bribe him with meat. He was able to convince Luffy to work with Capone Bege despite Luffy’s strong dislike of him for trying to kill Pekoms, and was able to keep the peace at their meeting. He successfully had Luffy follow the plan to assassinate Big Mom as oppose to Luffy’s usual habit of just charging in to his fights.

Straw Hat Grand Fleet


The Straw Hat Grand Fleet are a group of pirate crews who’s captains have pledged their allegiance to Monkey D. Luffy under his crew’s name, and were formed at the end of the Dressrosa arc. They are made up of seven pirate crews, the Beautiful Pirates, the Barto Club, the Happo Navy, the Ideo Pirates, the Tonta Corps, the reborn Giant Warrior Pirates and the Yonta Maria Grand Fleet.

Throughout the events of Dressrosa, the various captains had gained a lot of respect for Luffy and his crew, and desired to serve under him. Luffy bluntly stated that he had no desire for such a large fleet but the captains resolved this issue by declaring their allegiance to Luffy among themselves. Luffy was still annoyed but ultimately acknowledged them as his friends and will help them whenever they need it. With all the parties happy with this outcome they exchanged Vivre Cards and went their separate ways.

After Luffy had successfully infiltrated and escaped Big Mom’s territory a grand catalogue of Luffy was made by the press which included the details of the Straw Hat Grand Fleet. Luffy’s fleet, that gives the Straw Hat captain a cumulative bounty of 4,183,000,100, contributed significantly to him being labelled as the "fifth Yonko" of the seas by "Big News" Morgans and the World Economy News Paper.

Cavendish
Cavendish is the captain of the Beautiful Pirates and is the First Captain of the Straw Hat Grand Fleet. Originally, Cavendish despised Luffy as he was part of the Worst Generation that gathered so much attention away from him. However, after the events of Dressrosa, he came to respect Luffy to the point of becoming the head of his Grand Fleet. Cavendish admires Luffy but is annoyed by him because of his apathetic attitude towards him. Luffy respects Cavendish but is irritated by his vanity and the way he talks down to him, nonetheless, they see each other as dependable allies and friends.

He fell for Luffy’s "Lucy" disguise whilst competing in the gladiatorial games and was initially friendly and sociable to him. Once he discovered that Lucy was, in fact, Luffy he became immediately hostile and violent and at one point Luffy had to be saved by Rebecca to get away from his bloodlust. His hatred of Luffy is great and he was annoyed at how much the fans loved Luffy after his victory against Chinjao. However, after he lost his gladiatorial match and was sent to the basement of the Colosseum where he was turned into a toy, he saw Usopp and knew he was part of the Straw Hats, and silently promised himself that he would cease all hosiltiies towards Luffy if Usopp saves him. Thanks to Usopp, he was reverted back to normal and stuck by his promise and offered his aid to the Straw Hat captain as a means to repay his debt. Such was his determination to pay his debt back that he offered to personally take down Doflamingo for Luffy.

Throughout the Dressrosa arc he proved to be a very useful ally for Luffy, as he transported him and Law on the back of his horse, Farul, when the Straw Hat captain was on his way to confront Doflamingo. He took on two of Donquixote Pirates, Gladius and Dellinger, the latter he defeated in his Hakuba form. He was more than willing to fight Doflamingo on Luffy’s behalf and became irritated when Luffy would not allow him to do so. He defended Luffy’s friends from Doflamingo and was more than prepared to go fight him but accepted Luffy’s request to escort his friends to safety under the incorrect assumption that Luffy was his fan. Alongside the various allies Luffy had made in Dressrosa, Cavendish chose to stand against the Admiral Fujitora until Luffy had arrived to leave the kingdom. He still believed Luffy was his fan by the end of the Dressrosa arc but had come to respect him enough to announce his fealty towards the Straw Hat captain. It was Cavendish that revealed to the press the details of Luffy's Grand Fleet.

Cavendish was greatly amazed by Luffy’s abilities, although initially not wanting to admit it. He was stunned to see him knock out Hajrudin, a giant, with a single punch and was even more amazed when he unleashed his Haoshoku Haki when he clashed with Chinjao. When he saw Luffy dominate Doflamingo in his Gear Fourth form he was astounded and complimented Luffy, stating he is unbelievable. He was so impressed by Luffy that he desired to serve under him as part of his fleet but was greatly irritated when Luffy refused to accept him alongside the others. Luffy sees Cavendish as a strong fighter and someone he can rely upon should he ever need his help, he trusted Cavendish’s abilities enough to ask him to protect his friends and help them get away from Doflamingo.

Luffy was initially annoyed by Cavendish and his constant pursuit of him. Although he defended Rebecca from the crowd’s vicious jeers against her, something Luffy respected him for, he still did not like him. However, once he realised Cavendish no longer bore any ill will to him he became much more comfortable and friendly around him, although still annoyed by his vanity. Luffy trusted Cavendish to get him to Doflamingo on the back of his horse and even trusted him with his friends’s lives after they were attacked by the Shichibukai. He considers Cavendish a friend but did not wish to have him follow him and his crew across the seas. Luffy tends to annoy Cavendish as he regularly calls him “Cabbage” instead of his actual name.

Bartolomeo
Bartolomeo is the captain of the Barto Club Pirates and the second captain of the Straw Hat Grand Fleet. He is a major fan of Luffy and has extreme admiration for the Straw Hat captain. Such is his admiration that he struggles to maintain his composure in his presence and has shown his willingness to die for him. Luffy did not interact much with Bartolomeo throughout the Dressrosa arc but praised him numerous times for his aid and eventually acknowledged him as a friend, seeing him as a capable ally.

He first came across Luffy all the way back in Loguetown when he became awe struck after witnessing Luffy survive Buggy’s execution attempt atop Gol D. Roger’s execution platform thanks to a stray lightning bolt. He became immediately enamoured by him because of this spectacle and followed Luffy and his crew’s adventure with a great passion. After the Battle of Marineford he gave up his life as a Mafia boss to become a pirate. He travelled to Dressrosa with the intent of winning the Mera Mera no Mi, as he was well aware it belonged to Luffy’s brother, Ace, and wished to give it to him as a memento. It was here that he finally met Luffy after overhearing Bellamy call “Lucy” by his epithet, Straw Hat.

Throughout the Dressrosa arc Bartolomeo was passionately determined to aid Luffy and his crew in any way he could. He led Luffy to Zoro and Kin’emon when the two needed to talk to Luffy, and he protected him from Cavendish’s attempts to kill him. Whilst he worked with Luffy and the Straw Hats to take down Doflamingo he aided Rebecca and Robin when they tried to take the key to Law’s handcuffs to Luffy, produced a flight of stairs to provide a shortcut for Luffy to get to Doflamingo, and protected him from Gladius’s attacks with his own body. He was enthusiastic about forming the Straw Hat Grand Fleet and was initially disappointed by Luffy’s refusal, but respected him even more after hearing his explanation about not wanting fame, but just freedom. This led to him, and the others, to form the Grand Fleet anyway out of their own freedom. He then provided transportation for Luffy, Zoro, Usopp, Franky and Robin to get to the rest of their crew in Zou.

His fanboying of Luffy goes to extreme lengths and has openly stated that he would die for him, earning Robin’s acknowledgement. He faints when looking at him and fails to make eye contact with him as a result, he cried profusely when Luffy thanked him, he blushes from any kind of acknowledgement Luffy makes towards him and became overly excited when Luffy said his actual name for the first time. Although he is normally aggressive and cruel to everybody, when it comes to Luffy and his crew he cannot help but be overtly kind, defensive, and sincere to all of them. He does not tolerate anyone insulting, or even back talking, Luffy, and at one point he cut off a man’s tongue for mocking Luffy’s failure to protect his brother. He chastised Rebecca for not being more respectful in front of the Straw Hat captain, and almost went into a fight against Sabo for how he talked to Luffy, not realising who he was at the time. He looks up to Luffy and seems him as a great inspiration and refers to him as “senpai”, showing his great respect for him.

Bartolomeo is constantly amazed by Luffy’s abilities and gets excited whenever he does an attack in front of him. He was left completely stunned when Luffy chose to attack the Admiral Fujitora as everyone was making their escape from Dressrosa. His inspiration for his attacks are sometimes based on Luffy’s own attacks, such as his finishing move on Gladius which he named “Bari Bari no Pistol”, based on Luffy’s “Gomu Gomu no Pistol”. He admires Luffy’s strength to such an extent that he sees himself as greatly inferior to him, and thus promises that he will become strong enough to be of use to the Straw Hat captain one day. He is also a firm believer that Luffy will become the next Pirate King.

Luffy does not seem aware at all of Bartolomeo’s obsession with him and takes him in his stride. He is thankful and kind to Bartolomeo and appreciates everything he does for him. He finds his Devil Fruit abilities impressive and complimented Bartolomeo when he created stairs for him as a shortcut to Doflamingo. He was intrigued by Bartolomeo’s ship, the Going Luffy-senpai, that takes on a lot of features of the Going Merry whilst using Luffy’s likeness as the ship’s figurehead. Luffy has given Bartolomeo the nickname “rooster head”, something Bartolomeo does not mind. However, after he delivered Luffy to the Thousand Sunny outside of Zou he finally called Bartolomeo by his actual name, causing him to become overjoyed.

Sai
Sai is the current, and 13th, leader of the Happo Navy, the third captain of the Straw Hat Grand Fleet, and the grandson of the notorious pirate, Chinjao. The two are allies and friends, but initially Sai somewhat disliked Luffy because of his relations to Monkey D. Garp who had fought his grandfather and flattened his pointy head. However, by the end of the Dressrosa arc this was no longer an issue and they now share a positive relationship.

The two first met after Luffy had defeated Spartan and was about to be disqualified until Sai, who had witnessed the incident, defended Luffy and informed the official that it was Spartan who started the fight. Luffy thanked Sai but he soon became aggressive, demanding Luffy that he take back the apology and had to be restrained by his brother when he became violent. He next appeared alongside his grandfather, Chinjao, who went after Luffy, seeing through his Lucy disguise, and tried to kill him whilst Sai held him back. He was placed in the same match as Luffy, as well as his grandfather, and was defeated by the Straw Hat captain. After the match, he, along with Chinjao, ceased any hostilities towards Luffy after he fixed his grandfather’s pointy head.

Initially, he indulged his grandfather’s hatred towards Luffy as he was perfectly fine with his desire to kill the Straw Hat captain and only restrained him because it would potentially compromise their true mission, telling his grandfather that he can just kill him during their match. After the match he held no grudge for his defeat and he brought Chinjao to Luffy so his grandfather could thank the Straw Hat captain for fixing his head. He then became an ally to Luffy and his crew after he was saved by Usopp, a member of the Straw Hats. Once he found Luffy again he declared that he would defeat Doflamingo for him as a way to pay back his debt. Throughout the events of Dressrosa, Sai worked to defeat members of the Donquixote Pirates and to support Luffy in his quest to defeat Doflamingo. Following Dressrosa he chose to become a subordinate of Luffy’s and join the Straw Hat Grand Fleet, but like everybody else, was left stunned by Luffy’s initial refusal.

Luffy does not think much of Sai due to their limited interactions. He was thankful for coming to his aid and explain his innocence after defeating Spartan, but was left shocked by his sudden turn of aggression towards him. He was also annoyed by his insistence to defeat Doflamingo for him and competed with him to see who could reach Doflamingo first. By the end of the Dressrosa arc he had come to see Sai as an ally and friend, although was still irritated by the formation of the Grand Fleet. Nonetheless he shared his Vivre Card with Sai before they went their separate ways.

Ideo
Ideo is a XXX rank boxer, a member of the Longarm Tribe, the captain of the newly formed Ideo Pirates and the fourth captain of the Straw Hat Grand Fleet. The two have scarcely interacted and thus their relationship is not fleshed out, however, they have come to recognise each other as allies, having worked together to defeat Doflamingo and end his reign over Dressrosa. He is also a representative of the XXX Gym Martial Arts Alliance in Luffy's Grand Fleet.

They were opponents in the same match during the gladiatorial games in the Corrida Colosseum. Having lost the match after being defeated by Chinjao, he was sent to the basement of the colosseum and turned into a toy. He was soon rescued by Usopp who he discovered was a member of the Straw Hats and because of this he decided to aid Luffy in his fight against Doflamingo.

Ideo was a very helpful ally to Luffy throughout the Dressrosa arc. He defended Luffy when some toys came after the Straw Hat captain, working with some of the other colosseum fighters to fend them off. He worked with the colosseum fighters again to hold off members of the Donquixote Pirates whilst Luffy and Cavendish made their way towards Doflamingo. Following Luffy’s victory, he and some of the other fighters subdued the Marines at the port that they intend to sail out of with Luffy.

He is surprised, and sometimes annoyed, at Luffy’s abilities and brazen attitude. After being thrown out of the ring he watched in awe as Luffy clashed his Haoshoku Haki with Chinjao’s. He was stunned when he saw Luffy and his group riding up Pica’s arm and was left even more amazed when he shattered Pica’s stone head with his Grizzly Magnum. He was irritated by Luffy’s refusal to drink the cup of sake in order to confirm the Grand Fleet that would be formed under the Straw Hat captain, and even proposed forcing Luffy to drink it. However, he understood Luffy’s reasoning and used his logic to form the Grand Fleet with the other captains anyway.

Luffy has not been seen interacting with Ideo on any particular basis. However, he was annoyed with Ideo when he tried to compete with him to take down Doflamingo. By the end of the arc he accepted Ideo as a friend, being grateful for his aid in defeating Doflamingo, and professed that he would come to aid him, and the others, should they need his help, but did not wish to have him form a Grand Fleet in his name. Nonetheless, despite him having formed the Grand Fleet with the other captains, he gave him his Vivre Card before they parted ways.

Leo
Leo is a dwarf from the Tontatta Kingdom, the leader of the Tontatta Pirates and the fifth captain of the Straw Hat Grand Fleet. He did not directly work with Luffy throughout the Dressrosa arc, but instead worked with Usopp, Robin and Franky to loosen Doflamingo's grip on Dressrosa. Despite this, he came to admire Luffy greatly for defeating Doflamingo and ending his tyranny.

Although he never directly interacted with Luffy, he proved to be a helpful ally. He indirectly aided him by providing transport for Robin, Rebecca and Bartolomeo to deliver the keys to Trafalgar Law’s seastone handcuffs. He also reattached Law’s arm after Luffy had entrusted him into his, and the other’s, care. After hearing an explosion on the palace roof he wished to aid Luffy but was told by Robin and Kyros that they would just get in Luffy’s way.

He was thankful for what Luffy did for him and his kingdom, as well as Dressrosa. Particularly for allowing his crew members to aid him and his kingdom to save the princess, Mansherry, and undo the affects of Sugar’s Devil Fruit abilities. He cried into Robin’s chest after hearing from Gatz that Luffy was victorious against Doflamingo. Such was his joy he worked to build statues of Luffy, as well as Usopp and Kyros, to celebrate what they had done. Following the defeat of Doflamingo he requested permission from his king, Gancho, to join the others in forming the Straw Hat Grand Fleet. When Luffy was fighting the Admiral Fujitora he commanded his troops to aid him. He was initially annoyed at Luffy’s refusal to form the Grand Fleet, but understood his reasoning and ultimately formed the Grand Fleet anyway. He traveled with Rebecca to the Levely and befriened Vivi and Shirahoshi through their shared admiration of Luffy.

Luffy has rarely been seen interacting with Leo, but still acknowledged him as an ally and friend. He professed that he would come and aid him, as well as the others, if they ever needed his help, and recognised the help he provided during his fight against Doflamingo. Despite being irritated that he, along with the other captains, formed the Grand Fleet anyway, he still exchanged Vivre Cards with Leo so that they could come and aid each other.

Hajrudin
Hajrudin is a giant warrior from Elbaf, the captain of the reformed New Giant Warrior Pirates and the sixth captain of the Straw Hat Grand Fleet. Despite getting off to a bad start during the gladitorial games after they fought each other in their respective match, he proved to be a useful ally for Luffy throughout the Dressrosa arc in order to take down Doflamingo. They have both come to respect each other as allies, friends and warriors.

The two met during their match in the Corrida Colosseum when Hajrudin crushed Luffy and the Fighting Bull who he had befriended, because of this, Luffy angrily punched Hajrudin, defeating him instantly. After being defeated he was sent to the basement of the colosseum where he was turned into a toy. He was then saved by Usopp when the Straw Hat sniper was able to nullify Sugar’s Devil Fruit abilities, turning Hajrudin, and everybody else, back to normal. From then on he allied with Luffy to defeat Doflamingo.

Despite being opponents in the match, he did not harbour any particular dislike for Luffy, seeing him simply as an opponent he needs to defeat and did not hold a grudge towards the Straw Hat captain for defeating him. Hajrudin is responsible for helping Luffy gain so many allies during his fight with Doflamingo as he was the one that made sure everybody knew it was Usopp, a member of the Straw Hats, that saved them. He promised Luffy on his pride as a warrior of Elbaf that he would defeat Doflamingo for him.

Throughout the arc, Hajrudin aided Luffy numerous times. He held off a number of toys that were after Luffy alongside the other fighters. He fought off members of the Donquixote Pirates in order to allow Luffy and Cavendish to go on ahead to face Doflamingo. He was prepared to stand his ground against the Marines and the Admiral Fujitora until Luffy had arrived to leave the kingdom. Whilst escaping from Dressrosa, he caught Luffy and forcibly took him away from his fight with Fujitora so they could successfully escape, even keeping hold of him in fear he would continue trying to fight the Admiral. He is determined to continue aiding Luffy and has set out to reform the Giant Warrior Pirates for his sake.

He has come to respect Luffy and acknowledged his abilities as a fighter. He was willing to forget about his defeat to the Straw Hat captain in order to aid him. He was stunned to see Luffy was charging up Pica’s arm and was left speechless when he used his Grizzly Magnum to destroy his stone head. Nonetheless, he was still greatly annoyed by Luffy’s decision not to drink the cup of sake to form the Straw Hat Grand Fleet but understood his reasons why, and used this reason to form the alliance anyway, along with the other captains.

Luffy did not take kindly what Hajrudin did to the Fighting Bull who he had made friends with and knocked him out with a powerful punch for it. However, by the time they reunited Luffy had seemingly dropped any ill-will he had towards the giant. He was appreciative of him for his aid and found him helpful as an ally whilst trying to reach Doflamingo. He still became irritated with Hajrudin for making him leave his fight with Fujitora prematurely. By the end of the arc he considers Hajrudin a friend and swore to come to his, and the other’s, aid should they ever need it. He still exchanged Vivre Cards with Hajrudin even though he was annoyed that he and the other captains formed the Straw Hat Grand Fleet desptie not wanting them to.

Orlumbus
Orlumbus is the Admiral of the Yonta Maria Grand Fleet and the seventh captain of the Straw Hat Grand Fleet who met Luffy during the Dressrosa arc. The two did not interact very often but he became a determined ally for Luffy in his quest to take down Doflamingo. Luffy acknowledges his efforts and sees him as a friend and ally.

Following his lost during the gladitorial games he was sent to the basement of the Corrida Colosseum where he was transformed into a toy. He was saved by Usopp after the Straw Hat sniper managed to nullify Sugar’s Devil Fruit abilities and allied with Luffy and his crew.

He protected Luffy and his friends when some toys came for them, fighting them all off alongside the other colosseum fighters. He then worked with the other colosseum fighters to provide an opening for Luffy and Cavendish to reach Doflamingo. He was crucial for Luffy's, and everybody else’s, escape from Dressrosa as he provided 56 ships to cover their escape and had them board his flagship, the Yonta Maria.

Orlumbus is greatly impressed by Luffy’s abilities and determination, whilst also being irritated by his refusal of the Straw Hat Grand Fleet. He was amazed to see him riding up Pica’s arm and was left speechless when the Straw Hat captain destroyed Pica’s stone head. When Luffy refused to form the Straw Hat Grand Fleet he seemed to take personal offence that his fleet of 4,300 men was not enough power for Luffy. However, after hearing Luffy’s reasoning he understood what the Straw Hat captain meant and chose to form the Grand Fleet with the other captains anyway.

Luffy was annoyed by Orlumbus’ determination to take down Doflamingo, as he wished to do so himself. Nonetheless, by the end of the Dressrosa arc he has come to see Orlumbus as a valuable ally and recognised his efforts in freeing Dressrosa from the Shichibukai. He promised Orlumbus, as well as the other captains, that he will come to their aid should they ever need it. Despite being annoyed that they formed the Grand Fleet anyway, he exchanged Vivre Cards with him and went their separate ways.

Trafalgar D. Water Law


Trafalgar Law is the captain of the Heart Pirates, a fellow member of the Worst Generation, a former Shichibukai, and has been Luffy’s most prominent ally since the time skip. They first met on Sabaody Archipelago and briefly became acquainted. They met again on Punk Hazard where Law formed an alliance with Luffy to take down the Yonko, Kaido. Despite their opposing views on what an alliance is meant to be, their relationship is ultimately positive. Law generally puts up with Luffy and his antics and begrudgingly likes and respects him. Luffy is very fond of Law and is extremely casual with him.

The two met on Sabaody Archipelago inside the Human Auction House when Law witnessed Luffy punch the Celestial Dragon, Charlos. He smiled at Luffy’s defiance towards the World Noble and fought alongside him, as well as Eustass Kid, when the Marines surrounded the auction hosue. Following this, the two went their separate ways. Law was the one to save Luffy at the end of the Battle of Marineford and operated on the Straw Hat captain to save his life. He then left Luffy in the company of Jinbe and Silvers Rayleigh before Luffy could thank him. Following the time skip Luffy met Law again on Punk Hazard, the now Shichibukai saved Luffy and Nami from the Yeti Cool Brothers and formerly requested an alliance with the Straw Hat captain to take down the Yonko, Kaido, with Luffy agreeing.

Despite his outward stoic demeanour and apparent apathetic attitude towards Luffy, he does seem to like him. His first impressions of Luffy were positive as he could not help but smile when he saw him punch a Celestial Dragon. He decided to brave the attacks of the Marines and the Admirals to rescue Luffy and Jinbe when they tried to escape, and then proceeded to tend to their wounds. Although he said it would be a damn shame for Luffy to have died at Marineford, he tried to claim to Luffy that it was just on a whim. During the Dressrosa arc he stated that if Luffy were to die at the hands of Doflamingo he would be prepared to die along with him, as he felt a sense of guilt for dragging Luffy into a battle that was outside their original agreement. He has come to respect Luffy enough that he tolerates some of his decisions, he agreed to aid him in rescuing the children from Punk Hazard despite seeing them as a burden, and accepted Luffy’s decision to retrieve Sanji from Big Mom despite neither having anything to do with their alliance, and the latter would in fact make things much more complicated by angering another Yonko. He was extremely grateful, and appreciative, of Luffy after he defeated Doflamingo, who Law had hated since he was a child for killing Donquixote Rosinante, a very close friend of his.

Law often feels frustrated by Luffy’s carefree and reckless attitude, and laments his misunderstanding of what an alliance is suppose to be. Nonetheless, he has plenty of faith in his abilities and trusts him to complete his tasks. He was greatly annoyed by Luffy charging in to attack Caesar Clown as the original plan was to capture him quietly. However, he bragged to Doflamingo, with great confidence, that Luffy would capture Caesar. He was irritated when Luffy sent Caesar flying away and commented that he regrets forming an alliance with him, but was pleased to see his crew had successfully captured Caesar anyway. At one point, he tried to nullify their alliance when their plan to have Kaido attack Doflamingo was no longer possible, but was rebuffed by Luffy. When Law was at Doflamingo’s mercy he chose not give the Shichibukai what he wanted and berated Doflamingo for underestimating Luffy and the Straw Hats, warning him that he would lose his fight against them as they are capable of performing miracles. At one point, he reflects on his alliance with Luffy and comments that, although he intended to use Luffy for his own means, he feels like he is the one who is being used. When Luffy formed the Ninja-Pirate-Mink-Samurai alliance, he was briefly annoyed that Luffy had not consulted him first, but ultimately had no objections. When the two are reunited in Wano he is immediately annoyed due to Luffy and Zoro attracting too much attention and compromising Kin'emon's plans. Due to Luffy's actions, Kaido came looking for both him and Luffy. When Luffy believed his crew had died at the hands of Kaido, he tried to stop him from attacking the Yonko but failed to do so, greatly irritating him and was forced to watch as Luffy hopelessly fought against him.

Luffy treats Law as one of his closest friends and likes him a lot. Due to his lack of understanding of what an alliance is suppose to be, and being oblivious to Law’s attitude around him, he ends up dragging Law into his antics and chaos. He was very happy to see Law again on Punk Hazard and thanked him for saving his life following the Battle of Marineford. Even though he does not know Law that well, he implicitly trusts him and was more than willing to make an alliance with him as soon as he offered. When challenged by Robin if he could trust him, Luffy simply asked Law if he was going to betray them and believed him immediately when he said he would not. He is very protective of Law and was determined to rescue him when he had been captured by Doflamingo, and became extremely angry when he believed Doflamingo had killed him. He carried Law up towards the Flower Field in order to get the key to his seastone handcuffs so he could be freed. He did not accept Law’s attempt to end the alliance after their plan had been compromised whilst in Dressrosa, stating that he cannot decide that for both of them. Although from the outset he intends to follow Law’s plan, as he trust him enough, he ultimately ends up disregarding it and relying on his improvisation instead.

It also seems like Luffy cannot pronounce "Trafalgar" properly and calls him "Tora-man" (トラ男) instead, a portmanteau of the "Tra" in "Trafalgar" and the Japanese kanji for "male". It is often localized as "Tra-guy" in some subs or as "Traffy" in Pirate Warriors 3. Desptie being allies, they still see each other as rivals for One Piece.

Kozuki Family
Luffy met the Kozuki Family when he and the crew were on Punk Hazard after receiving a distress signal. After rescuing Kin'emon and Momonosuke, guardian and master posing as father and son, from the island and Caesar Clown, Luffy allowed them to travel with him and his crew to search for their other comrades. After the battle with Doflamingo ended in victory and the rescue Kanjuro, they continued to travel to Zou. Once on Zou and learning about Momonosuke's true heritage, he does not care in the slightest. After meeting Raizo, he wanted to see him do tricks and became amazed when he did them. After learning about what Kaido has done to their country, Luffy was willing to form an alliance with them in order to defeat Kaido, along with the Mink Tribe and the Heart Pirates. Luffy and Momonosuke seem to get into small fights like how Luffy and Ace used to fight and argue when they were kids. At first, Luffy was shocked to learn that Momonosuke's father was a member of the Roger Pirates. In Wano, Luffy learned from Kin'emon about Oden's benevolence and the various good deeds he had done for the citizens of Kuri to make it a prosperous place, leading Luffy to be deeply impressed with the late Kuri daimyo. Thus, when he learned of the circumstances set up by Orochi that lead to Oden's unjust death, Luffy became extremely enraged at Orochi. Luffy declared to his fellow prisoners of Udon his intention to carry on Oden's legacy by overthrowing Kaido to realize Oden's dying wish and restore freedom and prosperity back to Wano.

Mink Tribe
The minks are grateful to Luffy and the the Straw Hats, not only because Sanji's group saved them after being devastated by Jack's attack on Zou, but also because Luffy's victory over Doflamingo and the latter's following arrest was what caused Jack to abandon his campaign and leave the island. After seeing how the Mink Tribe risked their lives and protected the samurais from Jack, he became amazed. Luffy then formed an alliance with them in order to defeat Kaido, along with the Kozuki Family and the Heart Pirates.

Carrot
Carrot is a member of the Mink tribe and an ally of Luffy and the Straw Hats. Luffy and Carrot get on very well and have developed a strong friendship with each other. She has allied with the Straw Hats since the Zou arc and has sailed with them all the way to Wano. Carrot is pretty fond of Luffy and believes him to be a great person and captain, she admires his determination and fighting abiltiies. Luffy has come to care for Carrot and treats her like a member of his crew and does not like to see her hurt.

After entering Zou, Luffy was caught up in a fight with Roddy and Carrot had to intervene and calm Roddy down. She then introduced herself to Luffy and rode with him and Wanda to Right Belly Fortress. Once Luffy had discovered what had happened to Sanji, he announced his intention to infiltrate Big Mom’s territory to recover him, which excited Carrot. This led her to sneak aboard the Thousand Sunny to travel with Luffy and the Sanji Retrieval Team to Totto Land. She worked with Luffy and his crew to get Sanji back and escape Big Mom’s territory, eventually arriving in Wano.

Carrot is fond of Luffy and likes to nibble on his face a lot. She cares for him deeply and was distraught when he had been poisoned after eating the Armoured Stonefish. She was extremely happy when he made a recovery and affectionately nibbled on him again. Despite this, she is capable of being violent to Luffy, as she aggressively attacked him and bit into his neck when she saw him eating her carrot and had to be patted on the head by him to stop. She was concerned for Luffy during his fight against Katakuri and was overjoyed to see he had not only survived, but had won, rubbing her cheek against him. When she reunited with him at Oden’s Castle on Wano she immediately hugged him.

Luffy has become quite fond of Carrot and was more than happy to let her join him and the Sanji Retrieval Team when it was revealed she had hidden away on the ship. He tolerates her habit of nibbling on his cheek but finds it annoying at times. When she was subdued by Katakuri he became angry and attacked the Sweet Commander, successfully managing to hold him so she could get away. He treats her almost like a member of his crew and trusts her, along with the others, to take care of the Thousand Sunny before he leaves to fight Katakuri.

Makino
Makino is a bartender at Partys Bar in Foosha Village, the hometown of Luffy. The two get on very well and have known each other throughout Luffy’s childhood. Makino cares for Luffy a great deal and is supportive of his dream to become the Pirate King, she is arguably the closest person Luffy had to a mother before Dadan. Luffy likes Makino a great deal, enjoying her company and being at her bar.

The two have known each other since Luffy was a child. They would often be in the bar together where Makino would give him free drinks and food. She alerted the mayor of Foosha Village, Woop Slap, as well as the town's residents, when Luffy was taken away by the bandit, Higuma. Throughout Luffy's time with Dadan she would come visit Luffy, Ace and Sabo to deliver new clothes to them. She saw Luffy off when he started his journey to become the Pirate King.

Luffy would visit her bar frequently where he eventually would meet Shanks. Although he has never stated what he thinks of Makino it is apparent that he cares for her a lot and enjoyed being in her company. When he saw her again whilst living with Dadan he was overjoyed and hugged her. He is grateful for all the things she would do for him and treats Makino with a lot of respect, finding her kindness endearing.

Makino is very loving of Luffy and almost acts as a mother to him. She would regularly give him free food and drinks at her bar and jokingly say she would add it to his treasure tab. She is very supportive of Luffy’s dream and is happy with whatever Luffy decides to do with his life so long as he is happy. She was devastated at the news of Ace’s death and cried over the thought of what Luffy must be going through. She keeps up to date with his exploits and is seen smiling whenever his bounty goes up.

Laboon
Laboon is a whale from West Blue. Luffy met Laboon immediately after entering the Grand Line off Reverse Mountain. The two ended up becoming friends, with Luffy feeling sympathetic for the whale due to him missing a group of pirates he made friends with more than fifty years ago. Laboon sees Luffy as a friendly person and enjoys fighting him, and hopes to meet him again some day.

When Luffy and his crew entered the Grand Line they collided into Laboon, not realising he was a whale initially due to his sheer size. Luffy attacked Laboon when the Going Merry's figure head, where he likes to sit, was destroyed in the collision. This caused Laboon to swallow up Luffy and his crew and they fell inside his stomach. Luffy saved Laboon from Mr. 9 and Miss Wednesday (Vivi) and were soon informed by a man named Crocus about Laboon and why he has the habit to slam his head against the wall of the Red Line.

Luffy was determined to give Laboon a new sense of hope by choosing to fight the giant whale. He had deduced that the crew he made friends with would regularly spar with him. After the battle, Luffy promised Laboon that he would return to see him again some day for another match, and as a sign of this promise, painted the Straw Hat’s jolly roger on his head. He warned Laboon that the painting would come off if he continued slamming his head against the Red Line, which prompted Laboon to stop.

Laboon sees Luffy as a good friend and showed has shown his determination to the Straw Hat captain. His loyalty is boundless, as he waited fifty years for the return of his friends from their voyage, and showed this loyalty to Luffy by agreeing not to bang his head against the wall of the Red Line anymore. He was moved to tears at Luffy’s promise to come back and fight him some more.

During the Thriller Bark arc, Luffy would befriend, and recruit, Brook, who was a member of the crew that had made friends with Laboon fifty years ago. He happily informed his new crew member of Laboon’s well-being and the two now hope to meet the giant whale again some day.

Skypiea
Skypiea is a sky island that is ruled by Gan Fall and was previously ruled by the self proclaimed "God", Enel. The people of Skypiea are divided into two, the Skypieans and the Shandians. Whilst the former are non-aggressive, the latter are. Luffy and his crew got on generally well with the Skypieans, but were immediately attacked by a member of the Shandians. Eventually, they both worked with Luffy to defeat Enel and saved everyone on the sky island. Both groups now recognise Luffy and his crew as heroes.

Luffy and his crew arrived on the sky island and entered into Skypiea but were marked as criminals for not paying the entrance fee. He briefly makes friends with some Skypieans but is attacked by the law enforcement of Skypiea for being criminals, eventually escalating tensions. Due to this, Luffy and his crew are forcibly taken to Upper Yard, a sacred piece of land where Enel and his Priests reside. It is throughout this location that they meet members of the Shandians and begin to fight Enel. Luffy had the desire to ring the famous Shandorian Golden Belfry Bell in order to vindicate Mont Blanc Noland and inform his descendant, Mont Blanc Cricket, of the city of gold's location. Having successfully defeated Enel, and ringing the bell, he had saved and ultimately liberated the island of Enel, making him a hero.

The Skypieans and the Shandians are greatly fond of Luffy for having saved them from Enel who was intending to destroy the entire sky island. Not only that, but they acknowledged Straw Hat as having played a crucial role in ending the dispute between the Skypieans and the Shandians over the claim for Upper Yard. They held celebrations with Luffy and his crew, and later tried to offer up a broken golden column as a reward to them. They were greatly disappointed that they did not get to say their goodbye to him and his crew but choose to ring the bell instead. They hope that Luffy and his crew will visit them again some day.

Luffy gets on well with the Skypieans following their rough start after being marked as a criminal. At one point he was seen as an enemy to the Shandians but by the end of the arc had managed to win them over. He partied with both groups before stealing some of their treasure that was lost inside the giant snake, Nola, that lives on Skypiea. He mistakenly believed that the people of Skypiea were chasing him and his crew for the treasure they had taken and ran away without saying goodbye, not realising that they were trying to give him a giant golden column as a reward.

He made numerous allies among both the Skypieans and the Shandians, such as Gan Fall who was the former ruler of Skypiea before Enel dethroned him, and Aisa, a child Shandian, who sees Luffy as a hero. After Enel’s defeat to Luffy, Gan Fall was able to be reinstated as the leader of Skypiea and started working to create coexistence among the Shandians and the Skypieans. Gan Fall, himself, compared Luffy favourably to his old friend, Gol D. Roger. Luffy also made friends with the Shandian warrior, Wyper, who was originally antagonistic to Luffy and the Straw Hats but became a crucial ally. He was moved by Luffy’s determination to ring the bell on Skypiea for the descendant of Mont Blanc Noland, as Noland was a close friend of his own ancestor, Kalgara. Following Enel’s defeat he had become much more open to foreigners and is extremely grateful for what Luffy and the Straw Hats had done. He hopes to see them return to Upper Yard one day. Luffy also became close friends with the Skypieans, Pagaya, and his daughter, Conis, who were the first friends the Straw Hats made on Skypiea.

Camie
Camie is a mermaid who is friends with Hatchan and befriended the Straw Hat Pirates at the beginning of the Sabaody Archipelago arc. She befriended Luffy and his crew as soon as she met them and was an ally to them throughout the Sabaody Archipelago arc and the Fish-Man Island arc. They reunited again two years later on Fish-Man Island and were very happy to see each other. Luffy likes Camie and gets on with her very well and has saved her numerous times. Camie admires Luffy for his sincere personality and abilities as a fighter.

The two first met when she landed on the Straw Hats’ ship after being swallowed by a sea king. She was able to make friends with Luffy and his crew very quickly and asked for his aid in saving her friend. Upon discovering her friend was Hatchan, a former enemy, Luffy refused but ended up doing so after Nami wanted to save him. She traveled with Luffy and his crew to Sabaody Archipelago where she was captured and was about to be sold off at the Human Auction House before Luffy arrived to save her. After the Straw Hats were separated she returned to Fish-Man Island. Two years later she reunited with her old friends on Fish-Man Island and acted as a guide for them and helped them throughout their time there.

Camie finds Luffy to be incredibly kind and friendly, warming up to him immediately and does her best to aid and protect Luffy as best she can. When Luffy and his crew arrived on Fish-Man Island she saved Luffy from drowning and took him and the others back to her dorm. She protected Luffy and his crew when a royal gondola was approaching their position, telling them to hide, as they had accidentally entered Fish-Man Island illegally. She is amazed by Luffy’s strength and abilities and was happy when he agreed to save her friend, Hatchan. Whilst she was being held captive she was relieved to see Luffy had arrived to save her. She was greatly worried for Luffy and his crew’s safety after they had been gone for almost a full day since they were separated on Sabaody. Camie is often shocked by Luffy’s actions, as she was left stunned, and panicked, after Luffy punched a World Noble. She was shocked when she saw that Luffy was with Princess Shirahoshi. However, she is not all fazed by Luffy’s bluntness as she was willing to answer his question about whether she can poop or not.

Luffy found Camie interesting due to her being a mermaid and got on with her immediately. He was greatly excited by her offer of takoyaki but was disappointed when she charged money for them. He has become fond of her and is willing to protect her when she is in danger. He saved her when she was captured by the Flying Fish Riders and crashed into the Human Auction House in order to save her from being sold, being relieved he had finally found her. When he met her again on Fish-Man Island he was very excited to see her again and thanked her for saving him. Luffy is impressed with Camie’s abilities and was amazed that she could not only summon fishes, but talk to them as well. He also watched in awe as she saved his crew mate, Sanji.

Amazon Lily
Amazon Lily is an empire made up of exclusively women who are known as the Kuja tribe. They are ruled by the Pirate Empress, and former Shichibukai, Boa Hancock. Their relationship with Luffy has been a roller coaster, they have a great interest in Luffy as he is the first man they have met, but soon hated him once it was apparent Hancock wanted him killed. However, after Luffy won over Hancock they became much more friendly and resumed their interest in him. Luffy is kind to the people of Amazon Lily and does not dislike any of them, even making genuine friends with a few, although he did find them annoying because of their curiosity of him.

Luffy arrived in Amazon Lily after Bartholomew Kuma sent him there from Sabaody Archipelago. After falling unconscious from eating mushrooms he was recovered by Marguerite, Sweet Pea and Aphelandra who nursed him back to health, not initially realising he is a man. Upon finding out he is a man they quickly put him in a cage but he was soon able to escape. They frantically tried to capture Luffy but continued to fail until he was eventually caught by Boa Hancock and her sisters. From then on they disliked him greatly and wished to see him killed, but he was able to survive his execution and win Hancock’s favour, and eventual love. Since then, they themselves find Luffy very likeable and interesting.

Due to Luffy being a man the women of Amazon Lily continuously surround him and play with his skin because it is so stretchy, having no knowledge of Devil Fruits, which gives them the false idea that all men have rubber skin. Such is their lack of knowledge of men they also mistook Luffy’s genitals for a mushroom when bathing him. They are very tolerable of Luffy and allow him to be the only man to live among them after Hancock accepted him. At one point, they held festivities with him, enjoying his party antics and found him fun. They care for Luffy, like their Empress, and were overjoyed when they were told he was coming back from the Battle of Marineford and that he would be allowed into their country again. They let Luffy recuperate on their island after the battle, regularly keeping Hancock up to date on his recovery. They all refer to Luffy affectionately as “Luffy-sama”.

Luffy likes the people of Amazon Lily, despite getting off to a bad start with them. He was initially annoyed with them not only for locking him up, but for taking his clothes, including his straw hat. He found them somewhat intimidating as they were capable of using Busoshoku Haki and thus could hurt him, prompting him to run away rather than fight. Once he was on their good side he felt comfortable enough to party with them all, but was soon harassed by them because of his rubber body, forcing him to run away. He has good relations with all of the Kuja tribe and appreciates their help when they cared for him, and for transporting him back to Sabaody Archipelago after the time skip.

Among the Kuja tribe, Luffy has made friends besides Hancock. He was able to befriend Marguerite, Sweet Pea and Aphelandra, as they were the ones to find him and nurse him back to health. It was also these three that had gotten to know Luffy better than the others and spoke favourably of him even though it led to them being petrified by Hancock. He protected the three throughout his fight with Hancock’s sisters and gave up the option of returning to his crew in order to save them. He grew especially close to Marguerite after he kidnapped her, as she was in possession of his shorts that had Silvers Rayleigh’s Vivre Card. The two somewhat bonded and Marguerite saved his life when he began to sink whilst trying to escape on a raft. Upon hearing his return from the Battle of Marineford she wished to make him some clothes. He also got on good terms with Elder Nyon, who was, relatively speaking, one of the more accepting members of the Kuja tribe and was the one to convince Hancock to open herself up to him. She also informed Luffy about Ace’s planned execution.

Fish-Man Island
Fish-Man Island is an underwater island ruled by King Neptune and are inhabited by fish-men and merfolk. Luffy and his crew got off to a bad start with the people of the island due to the assumption that they are the ones behind the numerous missing mermaids. Throughout their time there their relationship continued to sour but eventually they were recognised as heroes after defeating Hody Jones and saving the Royal Family. Luffy likes the people of Fish-Man Island and has declared the island as his territory from Big Mom.

The Straw Hats arrived on Fish-Man Island after reuniting following the two year time skip. The Straw Hats were accused of the numerous kidnappings of Mermaids that began when they arrived, but this was later revealed to be Caribou. Matters were made worse for them when Madam Shyarly prophesied that Luffy would bring about the destruction of Fish-Man island. They were then taken to the Royal Palace where Luffy befriended the Princess, Shirahoshi, and proceeded to take her out of the palace to explore the outside world, leading people to believe he had kidnapped her. Hody Jones, the main antagonist of the arc, launched his coup against the Royal Family and planned to have them all publicly executed. Luffy and his crew, under the counsel of Jinbe, saved the Royal Family and defeated Hody Jones and his crew, becoming heroes to the fish-men and merfolk of the island. Before leaving, Luffy stopped members of the Big Mom Pirates harassing Fish-Man Island and contacted Big Mom herself to claim Fish-Man Island from her as his territory.

Despite their initial prejudice against Luffy, they now strongly admire the Straw Hat captain and acknowledge him as the hero of Fish-Man Island, and are openly friendly with him and his crew since their initial disdain for them. Throughout his fight with Hody Jones they cheered him on, as well as the rest of his crew. Their respect for Luffy reached a point where they started selling replica straw hats for people to wear to show their admiration for the Straw Hat captain. They view him equally to Edward Newgate, who was the original protector of Fish-Man Island, and Fisher Tiger who freed many slaves from Mary Geoise. Their love for Luffy, however, did not encourage them to offer up their blood for him when he was suffering from blood loss, due to their laws. They were overjoyed, however, when Jinbe offered up his own blood for him.

Luffy knew about the serious abuse fish-men and merfolk have received from humans and thus was sympathetic to them. He did not harbour any resentment for their false assumptions about him being a criminal on their island either, although he was irritated by the numerous fish-men who came to apprehend him when they believed he had kidnapped Princess Shirahoshi, as it hindered his ability to protect her from Vander Decken IX. At one point used his Haoshoku Haki on them so he could save her. Despite becoming a hero, Luffy had no intention of being one and was more than prepared to worsen the relations between humans and fish-men in order to save his friends, he ultimately had to be bribed with meat by Jinbe to follow his plan instead. Luffy does care for the people of Fish-Man Island and did not take too kindly to the threat Big Mom posed for the island, happily taking the blame for why there was a shortage of candy on the island, he also gave up the treasure he had earned and claimed the island from Big Mom as his own territory.

Whilst on Fish-Man island Luffy managed to befriend the three brothers of the Royal Family, Fukaboshi, Ryuboshi and Manboshi. In particular, Fukaboshi actively aided Luffy in his fight with Hody Jones. He is also on good terms with King Neptune, who now is planning to declare Fish-Man Island to be under the protection of him and his crew. They all appreciate the positive impact Luffy has made on Shirahoshi, but also for saving their family and the island, and even rewarded Luffy and the Straw Hats with treasure. Minister of the Left became an ally of Luffy for what he has done and provided him and his crew with a new log pose for the New World. Madam Shyarly has become fond of Luffy despite her prophecy that he would destroy Fish-Man Island, and has taken an interest in him.

Kyros
Kyros is the legendary champion of the Corrida Colosseum, the father of Princess Rebecca and an ally to Luffy during the Dressrosa arc. The two get on pretty well when they first meet and he is extremely thankful for what Luffy did for him, Rebecca and Dressrosa, having played a crucial role in Doflamingo’s demise. Luffy admires Kyros as a great warrior and for his aid in taking down Doflamingo.

Luffy met Kyros when he entered Dressrosa whilst he was still a toy known as the “Thunder Soldier” and found him to be hilarious. He later came across Kyros’ statue inside the Corrida Colosseum and was told about the legend of Kyros by Rebecca, who did not know she was his daughter due to the effects of Sugar’s Devil Fruit. They would cross paths once more when Luffy saved him from an attack by Gladius and from then on he worked with him to take down Doflamingo.

Kyros finds Luffy to be a great fighter and wished to aid him as best he could. He was pleased to know he was on his side after realising he is a pirate, having no issues with him being a criminal as he is also one. He found him to be a useful ally and was grateful that his friend, and crew mate, Usopp, was the one to dispel Sugar’s Devil Fruit effects on him that allowed him to become human again. When he was riding with Luffy and Cavendish on Farul he was briefly annoyed that Luffy did not stop Rebecca getting into enemy territory but was reassured when Luffy told him she is with his friends. When Luffy defeated Doflamingo he cried profusely with great relief as his ten year suffering was finally over. After Luffy’s victory he allowed him and his crew to use his home as shelter from the Marines. He was extremely thankful when Luffy brought his daughter to him so that they could be reunited once more and watched happily as Luffy escaped the Admiral Fujitora and the Marines.

Luffy admires Kyros and found the legend of his days as a gladiator interesting. He respects him not only for being a capable fighter but for protecting the ones he loves. At the beginning he found Kyros to be hilarious whilst he was in his Thunder Solider form, taking a great liking to him. He aids Kyros multiple times, having saved him from Gladius and from a lethal blow by Doflamingo. He was later relieved to meet him again when riding on Cavendish’s horse. However, he was annoyed when Kyros declared he would be the one to defeat Doflamingo, getting into a short argument over it. After his victory he rested inside Kyros’ house and was irritated with his decision not to stay with Rebecca, not buying his reasoning. This led to him taking Rebecca from the palace and bringing her to his house so they could be reunited and live together.

Gatz


Gatz is the announcer of the Corrida Colosseum in Dressrosa and was a huge supporting ally of Luffy throughout the Dressrosa arc. He is a major fan of Luffy and is constantly left in awe at his power and abilities, and sees Luffy as a huge inspiration and the saviour of Dressrosa. Luffy himself scarcely acknowledged Gatz due to how little they interacted, however, he was thankful after he offered his aid and got him to safety from Doflamingo when he needed to rest.

Luffy, disguised as “Lucy”, fought in the gladiatorial games and Gatz became an immediate fan of his. He watched with great enthusiasm as he fought the varying opponents in his match, and was happy to declare him the winner of the round. He would not meet Luffy again until he found the Straw Hat captain exhausted from his use of Gear Fourth and choose to carry him to safety whilst being pursued by Burgess and Doflamingo. He witnessed Luffy finally defeat Doflamingo and was left in tears of joy.

From the moment he met him, Gatz adored Luffy and was constantly left in awe at his feats. He was greatly disappointed when he fought Luffy had been defeated by Hajrudin but was stunned to see him not only get back up without any injuries, but proceed to one punch the giant. He was amazed when Luffy clashed his Haoshoku Haki with Chinjao that knocked out every other opponent in the ring as well as half of the audience. He was determined to aid Luffy, at the risk of his own life, when Luffy had exhausted his Haki reservoir from using Gear Fourth. He played a crucial role in having the people of Dressrosa support Luffy in his fight against Doflamingo, commentating over his fight. At one point Doflamingo attacked Gatz because of his support for Luffy. He still continued to support the Straw Hat captain however, and cried with joy when Luffy had finally won, announcing the results to the people of Dressrosa. He remained supportive of Luffy even when he “kidnapped” Rebecca and was happy to hear he had reunited her with her father, Kyros. He discovered Luffy was "Lucy" in the gladitorial games early on but still refers to him as "Lucy" alongside most of the people of Dressrosa.

Luffy did not interact with Gatz very often, but was nonetheless extremely grateful to him for saving him from Doflamingo when he had ran out of Haki. He felt comfortable enough to tell Gatz that he had swapped places with Sabo during the gladitorial games, which is against the rule, but Gatz let it slide as he understood that the Mera Mera no Mi is very important to Luffy. He promised Gatz that if he buys him ten minutes he would defeat Doflamingo with one more punch and free him and everybody else, inspiring the announcer to aid him.

Tama


Tama is a young girl from the Kuri district of Wano and has become a supportive ally of Luffy during the Wano arc. The two get on increidbly well and have grown fond of one another. Tama greatly admires Luffy and finds him amazing, constantly referring to him as “Big brother”. Luffy deeply cares for Tama and has promised her that he will defeat the Yonko, Kaido and end his reign over Wano.

Luffy met Tama when he accidentally saved her whilst she was being chased by a group of kidnappers. After he had defeated them she offered to surrender herself to him but after realising he would not harm her she immediately became thankful and quickly befriended Luffy. She took him to her house and fed him some of her rice, it was here that Luffy was informed about the serious plight the citizens of Wano face because of Kaido, boosting his resolve to defeat the Yonko.

From the moment she met him, Tama has had a great intrigue in Luffy, finding him kind, friendly and amazing. She is very grateful for Luffy’s aid and gave up her own rice, that was meant to be her annual food supply, for him. Tama had met Luffy’s brother, Ace, a few years prior and admired him greatly and sees a lot of Ace in Luffy, growing closer to him. She was briefly angry with Luffy when he informed her that Ace had died, not wanting to believe it. When she was captured by Holdem she cried out for Luffy to save her and was overjoyed when he eventually arrived. She was very worried for Luffy after finding out he had been captured by the Beasts Pirates but was reassured by Chopper that he would be fine. She joined the group to take over Udon in order to save Luffy and was extremely happy to be reunited with him. Despite knowing who Ace is, she is unaware that Luffy is his brother. She affectionately refers to Luffy as “big brother”.

Luffy is very fond of Tama and has gone out of his way to help her. When he was taken to her house he felt extremely guilty for eating the rice she had given him after finding out she, and the other people of Wano, are going through a famine. When she fell ill after drinking toxic water from a nearby lake, Luffy resolved to get her medical aid and carried her to Okobore Town. He was happy to see she was enjoying some fresh food and was feeling better. He was infuriated when she had been kidnapped and chased her down all the way to Bakura Town. He rescued her from Holdem but became enraged after seeing what Holdem had done to her cheek, attacking him with a powerful Red Hawk Punch. He has promised Tama that he will defeat Kaido and save her and the citizens of Wano from his rule. After discovering that Tama had been attacked by Kaido and presumed to have died, he became extremely angry and outright challenged the Yonko to a fight that he quickly lost. He finds her Devil Fruit powers to tame animals to be incredible.

Hyogoro
Due to Luffy saving his life and offering him dango, Hyogoro held immense gratitude and respect for Luffy because of how he reminded him of his past. Luffy himself took a liking to Hyogoro and openly attacked Daifugo when the latter tried to kill Hyogoro despite the consequences of execution. Hyogoro showed great concern when Luffy was hurt by Babanuki and pleaded with Queen to spare Luffy, even offering to be punished in his place. During the Sumo Inferno, Hyogoro was able to dodge attacks because he trusted Luffy's instructions. Once he found out about the advanced Busoshoku Haki technique that Luffy was trying to learn, Hyogoro offered to teach him. Upon learning that Luffy is an ally of the still living Momonosuke, Hyogoro came to believe that it was fate that Luffy was sent to Udon, where many potential allies are imprisoned by Orochi, and that it is the most ideal location to reinforce their rebellion against the tyrants of Wano.

Hyogoro wishes for Luffy to get stronger as he put himself in the path of an angry Big Mom in the hopes that Luffy can improve his skills. When the prisoners in Udon began to doubt Luffy after learning he is a pirate, Hyogoro vouched for him. He has shown to have great faith in Luffy's abilities as he continued to supervise his training after the prison takeover.

Wano Citizens
So what if I came from another country!! Can't outsiders protect this country!!? I promised a friend Tama in Kuri, I will make this place a country where you eat your fill everyday!! If I don't, this place will remain a living hell!!! I have heard about Oden, he is amazing, however twenty years ago, after Oden was killed by Kaido, this country has stopped progressing, right!!? We came here to defeat Kaido!!! Those who would be allies should not get in the way!!! That's why decide right now!! Will you joined us or side with Kaido!!After learning from Hitetsu and Tsuru about how the poor citizens of Wano constantly suffered hunger due to Kaido and Orochi's tyrannical monopoly of clean food and water supplies, Luffy went out of his way to steal large amounts of provisions to feed the people of Okobore Town which they were extremely grateful for. After being imprisoned in Udon, Luffy became extremely popular with his fellow prisoners due to his courage and strength to oppose the Beasts Pirates, whom they despised. The Udon prisoners were deeply touched by Luffy's selflessness to save Hyogoro by attacking Daifugo, claiming they will never forget him after his execution. When Hygoro explained how the Udon prisoners were actually dissidents imprisoned for rebelling against Orochi, Luffy was delighted by the numerous potential allies they could gain but was confused when they tried to subdue him when he started rampaging. They said they were excited by his rebellious actions against the Beasts Pirates, but were terrified of being involved due to Kaido's wrath and absolute power, stating that with Kaido and Orochi in control over Wano, they can never find freedom. When some of the Udon prisoners were infected with the Mummy virus, they pleaded with Luffy, Raizo, and Kikunojo to just leave Udon. However, Luffy angrily berated them for giving in to the Beasts Pirates' tyranny so easily, willing to condemn themselves to life long slavery. Luffy told them of his promise to Tama to restore prosperity to Wano and how he had learned of Oden and his execution by Kaido, which started Wano's ruination. He declared that he would overthrow Kaido and told the prisoners to decide for themselves either to join him in fighting for their own freedom or spend the rest of their lives as Kaido's slaves. When Luffy subdued Babanuki, the Udon prisoners decided to join him by rebelling against the Beasts Pirates and conquered Udon. When they started doubting Luffy after learning that he is a pirate, Momonosuke convinced them by telling the Udon prisoners how Luffy and his crew had saved him and his vassals after they had left Wano, leading the prisoners to give Luffy their full trust and support.

Nefertari Vivi
Nefertari Vivi and Luffy are close friends despite having started off as enemies. She was undercover as a Baroque Works agent and attempted to fight the Straw Hat Pirates but this comically ended in failure. Once her identity and history were revealed to Luffy and the crew they agreed to help her. She traveled with the Straw Hats to various locations and throughout their adventures grew close to them, including Luffy. She is often surprised by Luffy's laid back attitude but grew to respect him nonetheless, whilst Luffy values her as a close friend and trust her implicitly. However, he has criticised her on two occasions for her naivety and stubborness, once when conversing with Crocodile, and again whilst crossing the desert.

Vivi is often left astounded by Luffy's laid-back attitude and lack of concern for the dangerous situations he finds himself in. This attitude still endears her to him and she was seen occasionally engaging in the crew's banter that tends to revolve around Luffy. She somtimes copies Luffy's antics, such as when he grabbed Usopp by his nose and she started to do the same. She is often worried for Luffy because of how far he pushes himself and felt the need to watch over him from time to time. Despite her concerns, she is reassured by the strength Luffy possesses and is left in shock at his raw power. Although she is tolerant of Luffy's attitude to most things, she does try to counsel him on what it means to lead people. Nonetheless, she has great respect for him and is eternally grateful for his aid in saving Alabasta. She became so close to Luffy and the others that she was almost willing to abandon her life as a princess and continue sailing with them, but chose not to do so in the end.

Luffy values Vivi to such a degree that he was willing to help her fight Crocodile and save her kingdom, and got angry at the Shichibukai for the torment he had put Vivi and her kingdom through. Nonetheless, Luffy is not afraid to criticize her outlook on the world and agreed with Crocodile that her views of stopping the conflict in Alabasta without bloodshed are foolish, but chooses to unwaveringly help her nonetheless. When Crocodile dropped Vivi from the top of the palace plateau, he came to her rescue with the aid of Pell, reassuring her that although her voice could not reach everyone that were fighting, her voice reached him and his crew. He was deeply upset that she chose not to join him and his crew to continue their adevntures but still sees her as an honorary member of the Straw Hats and cherishes the time he shared with her as a part of the crew.

The two are not immune to arguments and they end up getting into a heated verbal exchange that ended in a fist fight. Luffy tried to get Vivi to understand that she cannot carry the burden of saving her kingdom on her own, and to let him and his crew aid her in defeating Crocodile as that was the best way to save her kingdom. Vivi accepts Luffy's points and they immediately reconcile, with their bond strengthened from the exchange and Vivi now having absolute confidence in Luffy and his friends.

By the end of the Alabasta Saga, Luffy begged her to join his crew. Although Vivi contemplated permanently joining them, she, with a heavy heart, declined due to her responsibilities as a princess. This upsets both Luffy and Vivi, but he and the crew reassure her that they see her as a full-fledged member of the Straw Hats by displaying the cross Vivi had marked on all of them as they sailed away, leaving her in tears of joy. The two have not met since, but Vivi passionately follows the crew's adventures and was one of very few people able to deduce that Luffy had a message for his crew when he rang the Ox Bell following the Battle of Marineford. She was not at all upset when she discovered Nico Robin, a former ally of Crocodile, has joined Luffy's crew, instead choosing to trust his judgement. She becomes friends with both Rebecca and Shirahoshi through their shared admiration of Luffy.

Wapol
Wapol is a king, a one time pirate and was the main antagonist of the Drum Island arc. Him and Luffy grew to strongly dislike each other throughout the arc. Luffy believes Wapol is a terrible and cruel king who does not properly understand what it means to be a pirate, whilst Wapol views Luffy as an extremely annoying brat who gets in the way of his desires and disregards his rights as a king, often throwing trantrums over him. By the time of the Levely arc, Wapol seems mostly over Luffy and the trouble he caused him.

They first met when the Straw Hats were heading towards Drum Island and Wapol tried to ambush Luffy and his crew. He greatly annoyed Luffy by taking a bite out of the Going Merry and the two quickly ended up fighting, with Wapol trying to eat Luffy, but this was futile because of Luffy's Devil Fruit, he then quickly defeated Wapol and sent him flying out to sea. Wapol was later able to catch up to Luffy on Drum Island and, in his quest for vengeance, tried to frustrate his attempts to carry both Nami and Sanji to safety, but this also failed. Wapol appeared again towards the end of the arc, having returned to try to retake his throne. The two fought yet again, and although this fight dragged out longer than their first bout, the results remained the same.

Luffy has an extremely low opinion of Wapol and does not like him for trying to eat a part of his ship. He was also irritated by him when he tried to frustrate his attempts to get Nami a doctor. He was angry with Wapol for trying to shoot down the flag atop his former castle, believing him to be a fraud for not understanding the meaning of the flag. He also does not appear to be too interested in Wapol, as he ignored him numerous times and shouted at Wapol that he does not care he is a king under the World Government.

Throughout the Drum Island Arc, Wapol's spitefulness and childish tantrums were most apparent regarding Luffy, often getting upset by the latter's disregard of him being a former king recognized by the World Government, even planning to make laws to specifically stop some of the irritating things Luffy did to him. Despite his clear hatred of Luffy he still tried to offer him positions in his kingdom as a way to beg for mercy just before the Straw Hat captain defeated him. However, by the time of the Levely Arc, Wapol has dropped his grudge against Luffy as it was thanks to him that he was able to find new success and rule a new kingdom.

Enel
Luffy caught the attention of Enel because he was breaking his country's laws. Nonetheless, Enel's extreme hubris and arrogance meant he did not necessarily hate or dislike Luffy, at least initially, as he believed himself to be too divine to concern himself with Luffy and his crew. Instead, he chose to make a game out of their shenanigans and proceeded to partake in said game.

The Devil Fruit power Enel possessed was too much for the rest of Luffy's crew, defeating all of them rather effortlessly. This led to Luffy, who was not present at the time, to became extremely angry upon seeing what Enel had done to his friends and swore he would defeat him. Luffy loathed Enel's god complex and believed him to be a despicable person for how he treated his subjects and questioned his claims about his right to do what he pleases to people.

Enel's attitude towards Luffy changed when he proved his prediction, regarding the outcome of his game, wrong. This then led to a confrontation between the two and Enel soon realized that Luffy is naturally immune to his Devil Fruit powers, the main source of his claim to being a god, causing him to frantically panic as the justification for his arrogance and sense of superiority was instantly shattered.

Ultimately, Enel regained his composure along with his ego and he instead relied entirely on his Mantra to take on Luffy. The two engaged in a difficult fight that ended with Enel's defeat. By the end of the Skypiea Arc, Enel was in denial, stating that he could never be defeated, but decided not to pursue Luffy and the Straw Hats. Instead, he chose to continue with his original plan of going to Fairy Vearth, which is the moon.

Boa Hancock


Boa Hancock is the Empress of Amazon Lily, captain of the Kuja Pirates, and a former Shichibukai. She is one of Luffy's most devoted allies after she met him during the Amazon Lily arc despite getting off to a rough start with him. She works with Luffy throughout the Impel Down arc and the Battle of Marineford. She is in love with Luffy and adores the Straw Hat captain, and is willing to do absolutely anything for him. Luffy does not know she has these feelings for him and does not reciprocate them, but nonetheless he has grown fond of Hancock and likes her a lot, believing her to be a great ally and friend.

Originally, the two started off as enemies due to Hancock's hatred for men. They first met after Luffy was sent to Amazon Lily by Bartholomew Kuma and fell into her private bath house, finding Hancock naked, and seeing the slave mark on her back, something she found to be too severe for him to live. Her intrigue in Luffy began when she discovered that her Devil Fruit powers were completely useless against him, due to him not having any lustful desires for her despite seeing her naked. She then had him captured and ordered his execution via combat. During his fight with her sisters she was left stunned when Luffy protected her sister's back to hide the slave mark from the crowd and called off the execution. After testing him in order to prove he is like all men, selfish and immoral, she is amazed to find he is nothing like she imagined. Eventually, she confined in Luffy the story about her slave mark and quickly fell in love with him.

Hancock's love for Luffy runs to extreme lengths, dropping her normally stoic and serious demeanor whenever in his presence, and often acts like a little girl in love. She constantly blushes over him and is overwhelmed whenever he says her name or makes any kind of physical contact with her. Despite being a rather intelligent person she can easily exagerrate his interactions with her, such as during the Battle of Marineford, when she believed that Luffy's hug was a marriage proposal. Hancock is completely unaffected by the news that Luffy's father is Monkey D. Dragon, the leader of the Revolutionary Army, despite his notorious reputation, simply stating she would not care if he was the son of the devil himself.

Hancock's actions sometimes leads to her doting on Luffy because of her love for him. She has helped him on multiple occasions and tries to make sure he is well cared for in her company. She actively aided Luffy in his infiltration of Impel Down so he could rescue his brother Ace, as well as to deliver a message to him on Luffy's behalf. She also covertly gave Luffy the key to Ace's seastone handcuffs during the Battle of Marineford. Throughout the battle, Hancock was completely worried for Luffy's well-being. She is very protective of him and holds complete and utter contempt for anyone who thinks about harming him and immediately came to Luffy's aid when Smoker attacked him, aggressively threatening the commodore. She tossed aside her obligations of aiding the Marines as a member of the Shichibukai to instead openly aid Luffy during the war, risking the protection status of Amazon Lily from the Marines. After the war, she was grief stricken when she discovered that Luffy was in a critical condition and was extremely concerned over his future well-being because of Ace's death. She barely ate her food back on Amazon Lily until she knew he would recover. Before Luffy began his training with Silvers Rayleigh, Hancock was angry with Rayleigh when he told her that she cannot come and give Luffy food throughout his training, but relented when he told her that it was for Luffy's benefit. After the two-year timeskip, she gave Luffy a comically large luggage filled with food, medicines, and various other things so he can look after himself. After Luffy returned to Sabaody Archipelago, she aided Luffy and his crew's escape by holding off the pursuing Marines.

Hancock is surprised by Luffy's abiltiies in combat and his unique personality. She was irritated when he easily defeated Bacura and was left stunned when he was able to use Haoshoku Haki when fighting her sisters. His devotion to protect members of her own tribe who Luffy had made friends with both, surprised, and annoyed her. She was shocked when he chose to save Marguerite, Sweet Pea, and Aphelandra over benefiting himself. When Luffy saw her naked a second time and he simply asked why she is naked she responded that his rudeness never ceases to amaze her. After hearing that Luffy did the unthinkable and attacked a World Noble, and showing no regret, she was left completely speechless. She cried at this revelation, stating she is happy there are people like Luffy still fighting the World Government and compared him favourably to Fisher Tiger. She teared up when Luffy said he harbored no hatred for Hancock for her past as a slave, admitting that she likes him and offered up her ship to him. It was after this interaction that she was soon stricken with "Love Sickness" over Luffy.

Luffy originally did not like Hancock and believed her to be a cruel person for attacking members of her own tribe for simply standing up for him. At one point he tells her that she makes him sick, causing her to almost collapse because of her vanity. However, he grows to like her after being given the offer to save the three girls, finding it generous of Hancock. Luffy was shocked to find out she was a slave to the World Nobles, and empathised with her horrific past. He was extremely grateful when she offered up her ship to him so he could go and reunite with his crew. Although he does not reciprocate Hancock's love, he greatly appreciates everything she does for him, seeing her as a close friend and a trusted ally. He was willing to protect her when Magellan demanded to know how he got inside Impel Down, stating he would not tell him anything even if it meant his death. Although he refuses to marry her, he is still happy for the things she did for him and hopes to see her again someday.

Shirahoshi
Out of all the princesses that Luffy has met, the only one he has shown some level of irritation towards is Shirahoshi. This dominantly comes down to her excessive habit of crying in almost any situation. Luffy seems to chastise her as a means to build her character through tough love, rather than because he does not like her, as she has been pampered all of her life. Ultimately, he considers her a very good friend and by the end of the Fish-Man Island Arc has come to respect her.

The two first met when Luffy accidentally stumbled into her private quarters in the Ryugu Palace and she mistook him for an assassin until he saved her from a flying axe thrown by Vander Decken IX. Here, he finds out that she had been locked away because she was constantly harassed and attacked by Decken, who sought her hand in marriage. She warms up to Luffy and decides to hide him from the palace guards and feed him some of her food. Despite Luffy saying he does not like her and occasionally showing his annoyance over her, he decides to take it upon himself to help her see the outside world, something she has always dreamed of doing, and acted as her personal bodyguard. Luffy spent most of his time keeping Shirahoshi safe from Hody Jones, Vander Decken IX, and, at one point, Caribou.

Luffy constantly thwarts Decken's attacks and, eventually, beats him up. This earns Shirahoshi's respect and gratitude, and she starts to look at Luffy with a great level of admiration. Throughout their journey, she comes to rely on Luffy and sees him as a great source of strength. When her father was about to be executed by Hody Jones, she desperately cried out for Luffy, who then promptly saved her father. She is very grateful for how often he saves her and thanks him profusely.

Despite the name calling, Shirahoshi does not let it affect her friendship with Luffy, still being incredibly kind to him as she believes he is a good person and knows that he means well. She also cares for his well-being, begging him to stop trying to destroy Noah because he was losing too much blood from his injuries. She caught him when he began to fall and brought him to Gyoncorde Plaza. She offered to donate her own blood to Luffy despite it being a major taboo for merfolk or fish-men to share blood with humans.

When he discovers the story of Shirahoshi's mother, and the burden Shirahoshi had to carry to keep her mother's final wish alive, Luffy acknowledges that she is not as weak as he initially thought. Nonetheless, he still thinks of her as weak but mostly jokes about it. Before he leaves Fish-Man Island, he promises that he will take her up to the surface world and show her a real forest one day.

Since Luffy and his crew left Fish-Man Island, Shirahoshi has been keeping up with his and his crew's adventures, using them as a source of confidence to one day go to the surface world. She initially refused to attend the Levely with her family, as she wanted her first trip to the surface world to be with Luffy. However, after hearing about his exploits in Totto Land, she decides to go with her family to the Levely, as she does not want Luffy to call her weak again. While at the Levely, she befriended both Rebecca and Vivi because of their shared admiration for Luffy.

Rebecca


Rebecca and Luffy are close friends who met each other inside the Corrida Colosseum during the Dressrosa arc. She was initially concerned about Luffy being an obstacle to her ultimate goal of defeating Doflamingo but discovered that he shared this goal as well. Their friendship is very good and she is awestruck by Luffy’s abilities and comes to rely on him heavily throughout the Dressrosa arc. Luffy respects her determination to save the people of Dressrosa and does his best to protect her whilst promising to defeat Doflamingo for her.

The two first met in the Corrida Colosseum, during the gladitorial games, when Rebecca went up to Luffy and thanked him for defeating Spartan earlier, who had regularly bullied her. She talks to him about the statue of Kyros that he was admiring and informed him of the legend behind it, intriguing him. Despite the immediate positive impression she got off Luffy, she became wary of him because of the immense power he showed during his match, which led her to trying to kill him so she could be the one to win the Mera Mera no Mi. Luffy was able to overpower and subdue her, however, and listened to her explain why she tried to kill him. Upon finding out her desires to defeat Doflamingo the two came to a mutual understanding and became friends.

Rebecca is reliant on Luffy and finds him interesting and inspirational. When they first met she liked him quickly because of the shared admiration he had for the statue of Kyros and was happy to discover they were not in the same group for their matches, hoping that they would both make it out. She was amused and intrigued when he was able to tame the Fighting Bull of the Colosseum, commenting that he is interesting. She was confused, and also stunned, by Luffy forgiving her despite her attempt to assassinate him and was willing to accept any punishment from him. This kindness convinced her to confined in him about her desires to stop Doflamingo and save Dressrosa. She was hesistant about his claim he would defeat Doflamingo but after being reassured her faith in him became cemented. When she was being forced to strike down her own aunt, Viola, she cries out for Luffy and becomes inconsolable when he turns up just in time to save them both.

She is amazed by Luffy’s abilities as a fighter but nonetheless still worries for him. She was shocked when Luffy was able to one punch Hajrudin even though he is a giant, and was further amazed by his Haoshoku Haki that he unleashed when he collided with Chinjao. She watched in awe as he fought Doflamingo in his Gear Fourth form and would cheer him on as much as she could whilst also being worried for his well-being throughout the fight. She was amazed by Luffy's victory against Doflamingo and cries profusely over him for fulfilling the promise he had made to her. She cared for Luffy and rested his head on her lap as he slept until his crew arrived to take him away. She was disappointed when she thought she would not get to say goodbye to him but was overjoyed when he came to take her to her father. She was worried for Luffy when he was trying to escape Dressrosa whilst Admiral Fujitora pursued him, but was relieved to see he managed to escape.

Luffy likes Rebecca a lot and respects her for her determination to liberate Dressrosa and to become stronger for the sake of achieving that dream. He cheered her on during her match and became extremely angry with the crowd for booing her so viciously. He asked Robin if Rebecca was doing okay and was happy to hear her over the Den Den Mushi. He informed her that the Thunder Soldier, who had raised her, is her father and his name is Kyros, causing her to cry at the revelation. He then promised Rebecca that he would defeat Doflamingo for her and to stay with his friends. He thanked her for getting him the key to Trafalgar Law’s seastone cuffs. When she questioned him if he could really defeat Doflamingo whilst still calling him "Lucy", he reminded her of his actual name and reassured her that he would defeat him because he is going to become the Pirate King. Before leaving Dressrosa he made sure that Rebecca is reunited with her father, knowing that is what she truly wants, and carried her to his house whilst being chased by the Marines.

Since Dressrosa, Rebecca has become somewhat enamoured by Luffy and takes great pleasure reading about his exploits in Totto Land. She seeks to talk about him at every opportunity and gets to do so with Koby, and later Vivi, Shirahoshi and Sai whilst at the Levely. Rebecca has the habit of calling Luffy by his gladiatorial cover name, "Lucy", despite having been corrected numerous times.

Viola
Viola is the current Crown Princess of Dressrosa, the aunt of Rebecca, and a former member of the Donquixote Pirates. She aided Luffy and his crew throughout the Dressrosa arc having very briefly been their enemy. Despite being initially hesitant about him, she grew to like Luffy and has become eternally grateful to him for defeating Doflamingo. Luffy did not interact with Viola very often but was grateful for her aid throughout the Dressrosa arc.

In Dressrosa, She first met Sanji and was intent on killing him, as a member of the Donquixote Pirates, but was won over by him and was convinced to aid him and his crew. When she came across Luffy she decided to help him by sneaking into Dressrosa's Royal Palace and helped him get all the way to Doflamingo’s location. She continued to aid Luffy and his crew as best she could and was overjoyed when Luffy had finally defeated the Shichibukai, crying with happiness.

Viola is stunned by Luffy’s audacious and reckless nature but was won over by the pirate’s sincerity to defeat Doflamingo and save her kingdom. As a result, she faithfully aided the Straw Hat captain, working alongside him during his initial confrontation with Doflamingo and his family, and convincing her father, King Riku, to believe in Luffy and the Straw Hats. Viola is often shocked at Luffy’s reckless actions, such as blowing their group’s cover by recklessly smashing an entrance whilst infiltrating the Royal Palace. She was relieved by his late intervention when Rebecca was being controlled by Doflamingo to kill her and watched in awe as Luffy fought Doflamingo. When Luffy had finally defeated him she could not help but cry whilst looking up at the Straw Hat captain, thanking him. She appreciates Luffy’s friendship with her niece, Rebecca, and was happy to see him take her back to be reunited with her father, Kyros.

Luffy became immediately friendly with Viola and was thankful for the aid she gave him when infiltrating the Royal Palace, and praised her when she gave him the key to free Trafalgar Law. He tried to protect her from Gladius and carried her when she was injured. He also came to her aid when she was captured by Doflamingo and was about to be struck down by Rebecca, with the help of Law who switched his position with her’s.

Vinsmoke Reiju


Vinsmoke Reiju is a princess of the Germa Kingdom and a commander of Germa 66. She is an ally to Luffy and the Sanji Retrieval Team throughout the Whole Cake Island arc. Unlike the rest of her family, she likes Luffy and gets on well with him. She finds his determination for her younger brother, Sanji, endearing, and is extremely thankful for what he has given him. She finds his personality likeable, often smiling at him for the things he says. Luffy respects Reiju and appreciates her aid whilst trying to get Sanji back, as well for saving his life when he was poisoned.

Luffy first met Vinsmoke Reiju when the Sanji Retrieval Team encountered Germa 66 just after entering Big Mom's territory. During that meeting, Luffy was slowly dying from the effects of consuming the Armored Stonefish's poisonous skin. Reiju chose to save Luffy's life and sucked the poison out of his body, seeing it as her way of thanking him and the Straw Hat Pirates for what they have done for Sanji. They later meet again inside the Whole Cake Chateau, after Reiju hid Luffy from Big Mom's guards in her room. She informed Luffy that Sanji already knew of Pudding's plan to kill him during the Tea Party/wedding ceremony, leading a relieved Luffy to thank Reiju before exiting the chateau. He later came to her aid twice by forcing Big Mom to shriek loud enough to stop the Big Mom Pirates executing her and her family, and again when Big Mom tried to attack her. At Cacao Island, Reiju returned the favour with her siblings and aided Luffy and Sanji whilst they escaped, holding off the army assembled by Oven.

During their brief encounters, Reiju has been shown silently admiring Luffy's loyalty to her younger brother and has shown to be extremely grateful to him for giving Sanji a family, something her family failed to do. After she saved his life, Luffy thanked her but immediately demanded that she return Sanji, causing her to smile. She also smiled after seeing Luffy and Nami on Whole Cake Island, pleased they have made it this far in order to rescue Sanji. She was visibly saddened after witnessing Sanji being forced to attack Luffy in order to try and discourage him from following them. She also offered Luffy food after hearing his stomach grumbling, but smiled when he turned her offer down because of his promise to only ever eat Sanji's food again. In a private conversation between herself and Sanji, she urged him to flee Whole Cake Island with Luffy and his crew, warning him that he would never meet such friends again in his life.

Out of all the members of Germa 66, Reiju is the one Luffy gets along with best and has developed the most friendly relationship with. He sees her as a helpful ally and a kind person and is grateful to her for saving his life when he was poisoned from eating the Armored Stonefish. He was even more grateful for her constant aid in helping him retrieve Sanji. After Sanji reunited with Luffy, he told him of his desire to save the rest of his family. Luffy agreed to help, citing in part the fact that Reiju had previously saved his life.

Bentham


Bentham, otherwise known as 'Bon Clay', is a former agent of Baroque Works. He is one of Luffy's closest friends outside of his crew and the two get on extremely well with each other. They met during the Alabasta arc where they were temporary enemies, and were happily reunited during the Impel Down arc. Bon Clay adores Luffy and cherishes the friendship he shares with him, with Luffy reciprocating the sentiment. He has become a fierce comrade to Luffy and a devoted friend who is willing to make sacrifices for him, including his own life.

The pair met, incidentally, when Bon Clay grabbed onto Vivi's pet duck, Karoo, whilst being used as fishing bait, when his own ship sailed past the Going Merry. Neither he nor the Straw Hats were aware of each other's actual identities or allegiances at the time. However, Bon Clay immediately got on well with Luffy and some of the Straw Hats due to his flamboyant and upbeat characteristics perfectly fitting with Luffy's own personality. Eventually, Bon Clay's crew came back to recover their captain and he gave an emotional farewell to Luffy, along with Usopp and Chopper, leaving them in tears. The Straw Hats manage to overhear his crew call him by his Baroque Works code name, Mr. 2, as they set sail, shocking them all. Bon Clay only discovered later that he had met the Straw Hats, and he eventually was forced to fight them. He lost his fight against Sanji, but was able to recover and slip away before the Marines arrived.

Following his defeat he began a trend of helping Luffy and his crew escape danger and aid the Straw Hat captain as much as possible. He helped to hide their ship from the Marines so it could not be captured whilst in Alabasta. In order to fulfill his desire to save Luffy and the Straw Hats, he chose to sacrifice his own freedom, and potentially his life, by sailing straight for the Marines whilst posing as members of the Straw Hats. He held them off and went toe to toe with Hina whilst Luffy and his crew escaped. This act brought strong emotions and tears to Luffy as he promised he would never forget him, despite having been his enemy not so long ago. After reuniting with Luffy in Impel Down he worked with him to reach the bottom of the prison to save his brother, Ace. Despite relucantly abandoning Luffy during his fight with Magellan, he returned to save him and tried to carry Luffy to his fellow Okama, Emporio Ivankov, ultimately succeeding. Whilst escaping Impel Down he posed as Magellan in order to open the Gates of Justice for Luffy to escape, but once more had to sacrifice his own freedom and leave himself at the mercy of the real Magellan. He cried heavily when saying his goodbye to Luffy, telling him to go and save his brother.

Bon Clay is a strong believer of the way of the 'Okama', that prioritizes friendship above all else. This line of thinking strongly resonates with Luffy's own thinking and ideals of friendship. This was Bon Clay's reasoning when he choose to aid the Straw Hats in Alabasta, and made it apparent to them that he only fought them as a pawn of Crocodile, and that once he had been defeated he could choose to do as he pleases, thus deciding to ally with Luffy and the Straw Hats because he viewed them as his friends. This was also why he went to such great lengths to retrieve Luffy, having to fight in the freezing cold against wolves just to reach him, and again when trying to take him to Ivankov.

In turn, Luffy sees Bon Clay as a close friend and an incredible ally. He acknowledges everything he has done for him and feels guilty for not being able to return the favor. He was able to save him at one point when he unintentionally unleashes his Haoshoku Haki to knock out a pack of wolves, shouting at them to leave his friend alone. He later begged Ivankov to save Bon Clay's life instead of his own. Luffy was guilt stricken when, once again, Bon Clay is responsible for ensuring his safety and helping his makeshift crew of criminals successfully escape Impel Down, the two tearfully say their goodbyes over a Baby Den Den Mushi, and Luffy promises to never forget him.

Emporio Ivankov


Ivankov is a commander in the Revolutionary Army and the Queen of Kamabakka Kingdom. He becomes a crucial ally to Luffy when escaping Impel Down and during the Battle of Marineford. The two share a deep respect and admiration for each other that was forged in the heat of battle. Ivankov offered support to Luffy during his fights and while he was running across the battlefield. They did not get to say their goodbyes due to Luffy having fallen unconcious but left each other on very good terms.

Luffy first met Ivankov in Impel Down after he was poisoned by Magellan and was in need of saving. He made a strong impression on Ivankov by begging him to save his friend, Bon Clay, over himself. This touched Ivankov and he chose to use his Devil Fruit abilities to save both Bon Clay and Luffy. Ivankov was stunned to see how quickly he was able to recover from the effects of the poison after administrating his healing hormones to him, having originally estimated 48 hours, but Luffy had recovered in 20 hours. Originally, Ivankov did not intend to help Luffy, as he wanted to bide his time before trying to escape. He revealed to Luffy that he is a commander of the Revolutionary Army and serves directly under Monkey D. Dragon. It was here that Luffy, nonchalantly, responded that Dragon was his father, which left Ivankov in utter disbelief. After this revelation, he decided to immediately aid Luffy in his quest to save his brother, Ace.

From then on, Ivankov became a reliable ally for Luffy and played a key role in the escape from Impel Down. Ivankov did his best to protect him as much as he could, citing his obligation to Dragon, but also out of admiration for Luffy himself, who Ivankov had remarked, a few times, has the same presence as Dragon. He originally helped Luffy under the false impression that Ace was also Dragon's son but still chose to aid Luffy when he found out that was not the case. He helped Luffy avoid the attacks of the Admirals, held off Bartholomew Kuma, and tried to protect Luffy from Admiral Akainu's wrath. He also had his right hand man, Inazuma, build a bridge leading directly to the platform Ace was on.

He is constantly amazed by Luffy's determination and fearless attitude, such as when Luffy begged him to give him another dose of tension hormones so he could continue fighting, despite the severe repercussions. He was left completely shocked when Luffy talked back to Whitebeard and tried to tell him to shush. When Luffy challenged him to see who could save Ace first he could not believe he was competing with Whitebeard. Ivankov was also left astounded when Luffy unintentionally used Haoshoku Haki to prevent the executioners from killing Ace. Ivankov also has high praise for Luffy's character, seeing him as a good hearted boy and rationalized that Luffy must be telling the truth about Dragon being his father as he does not seem to be the type to lie.

Luffy is grateful for Ivankov and sees him as, not just an ally, but a dear friend. He did not get a chance to say goodbye to him due to being passed out from the shock of Ace's death, and by the time he came about, Ivankov had left. He was thankful for having not just saved his life, but Bon Clay's too. Luffy also greatly appreciated the effort Ivankov put in for him throughout the Battle of Marineford. He wondered how he is doing after he heard Jean Ango mention his intention to recapture all the escaped inmates of Impel Down.

After the war is finished, Ivankov lamented the suffering Luffy had to endure, but complimented him on his strength and will power. He keeps tabs on all of Luffy’s activities since he met him, and he is impressed by his feats in Totto Land and his growing reputation, simply remarking that he truly is his father's son. He hopes to be able to meet Luffy again some day.

Alvida
Alvida was the very first enemy Luffy made out at sea. Luffy left a strong impression on Alvida by being the first man to defeat her, and for openly calling her fat, shattering her vanity, as she had created a culture among her crew to constantly refer to her as the most beautiful woman on the seas.

As a result, she went through a drastic change in her appearance, having lost a lot of weight thanks to her Devil Fruit. Since her encounter with Luffy, she has become infatuated with him and chose to team up with Buggy, who was also hunting Luffy. She was able to meet him again in Loguetown, revealing to him the impact he had made on her. She expressed a slight disappointment at Buggy for his attempt to execute Luffy. She has since continued sailing the seas with Buggy in her quest to capture Luffy.

On his part, Luffy is completely uninterested in Alvida, not being able to recognize who she was, although this could also be because of her drastic change in appearance. Ultimately, he pays her no mind whatsoever.

Kuro
Kuro was an enemy of Luffy and Usopp at Syrup Village when he tried to claim the fortune belonging to Usopp's friend, Kaya. Luffy hated Kuro, not just for his cruel treatment of Usopp, but for his actions towards his own crew.

To Kuro, Luffy was an irrelevant and weak pirate. Despite evidence to the contrary, he maintained this view right up until he was defeated, as he believed he could not possibly fail. He convinced himself that the only reason Luffy defeated his best fighters was because they were unforgivably weak, rather than Luffy being too strong.

This eventually led to Kuro slaughtering his own crew, which angered Luffy. Kuro's cruelty and Luffy's defiance towards him led to Kuro's own crew cheering on Luffy during their fight. However, during his final attack, Luffy told the Black Cats to stop cheering for him. The two disagreed greatly on what it means to be a pirate, with Luffy scolding him for becoming a pirate in the first place. Kuro's scheme of leaving the life of a pirate and taking Kaya's riches to settle down ultimately ended in failure thanks to Luffy and Usopp and he was forced to go back out to sea with his crew.

Don Krieg


Don Krieg is the Admiral of the Krieg Pirates and the antagonist of the Baratie arc. Both Luffy and Krieg fought each other after the latter intended to take over the Baratie and revealed his intention to become the Pirate King, causing Luffy to see him as a challenger. The two generally dislike each other, Krieg is annoyed by Luffy's open defiance towards him and perserverance throughout their fight, whilst Luffy dislikes Krieg because of his method of fighting and cruelty towards his own crew members.

The two first met during the Baratie arc when Krieg tried to forcibly take over the restaurant and make it a part of his fleet. He attacked Luffy during Sanji's fight with Pearl and the two ended up fighting each other. Even though he used plenty of cheap tricks and deceptions, he was not able to keep Luffy down. Eventually, he was defeated by the Straw Hat captain who fought him with sheer determination.

Krieg found Luffy to be irritating because he continuously stated that he was stronger out of the two of them. Despite a slew of tricks and deceptions during their fight, Luffy would not stay down and kept getting back up, frustrating Krieg. Because of his ego and his belief that he is the most powerful captain in all of East Blue, he desired to have Luffy executed for daring to challenge him. After his defeat, Krieg unconsciously got up and demanded to continue the battle, only to be knocked down by Gin.

Luffy has a low opinion of Krieg because of his use of dirty tricks in battle, finding them ridiculous and asked him if he was going to take this fight seriously. He was not at all fazed by Krieg's insults of calling him a monkey and belittling him. Throughout the fight, it became more apparent that Luffy was frustrating Krieg through sheer determination. When Gin was poisoned by the "MH5" gas after giving his own gas mask to help Luffy, Krieg angered Luffy by insulting his own crewmate. Because of this, Luffy swore he would defeat Krieg for what he did.

Arlong


Arlong is a fish-man, the former captain of the Arlong Pirates and a former member of the Sun Pirates. Arlong was the main antagonist of the Arlong Park arc. The two greatly dislike each other, Luffy especially loathes Arlong because of what he did to Nami throughout her childhood. He believes Arlong is a cruel and despicable person. Arlong dislikes Luffy, not just for being a human, but for being a pest that interfered with his ambitions to eventually rule the world.

After Nami had taken his ship, the Going Merry, and the treasure, Luffy sailed after her and arrived on Cocoyasi Village, Nami's hometown. He intended to get her back in his crew but was rebuffed numerous times. When Arlong betrayed Nami he saw her crying and stopped her stabbing her tattoo, she turned to him and asked for his help, with Luffy screaming of course he will. Luffy proceeded to storm Arlong's base, Arlong Park, alongside Zoro, Sanji, and Usopp and fought the fish-man, eventually defeating him and winning Nami back into his crew, as well as liberating Cocoyasi Village.

Arlong thought very little of Luffy and did not consider the possibility that he was the captain of his group, instead assuming it to be Zoro. Due to his arrogance, and opinion that fish-men are superior to humans, he underestimated Luffy and was eventually defeated by him. Throughout his fight with the Straw Hat captain he grew greatly irritated by Luffy's persistence and tenacity. When inside Nami's old room Arlong became antagonsitic to Luffy, trying to annoy the Straw Hat captain with taunts about Nami. He lost his composure and confidence when Luffy decided to destroy the makeshift prison that had all of Nami's maps that she drew for him since childhood. In his fit of rage he tried to attack Luffy but allowed himself to be on the receiving end of his final attack.

Luffy holds complete hatred for Arlong. As soon as he met him Luffy wasted no time punching him, chastising the fish-man for making Nami cry. Despite the strength Arlong possessed, Luffy was absolutely determined to defeat him even though he admitted that he has no special skills like his other crew members. When they ended up in Nami's room during their fight, Arlong remarked that he would use her for his plans to dominate the world, angering him. Luffy deduced that the room they were in was a prison for Nami, which angered him even further. He decided to trash the room and destroy all of the work Nami had been forced to do for Arlong. His determination went so far as to try destroy Arlong Park all together, doing so with a final attack that simultaneously knocked the fish-man out. He emerged from the rubble with great satisfaction of having defeated Arlong and freeing Nami from him. Luffy's hatred for Arlong has spread to people who were associated with him, such as Hatchan, who he initally refused to save upon realising he used to be part of Arlong's pirate crew.

Hatchan
Hatchan is a fish-man and a former pirate of the Arlong Pirates and Sun Pirates. He was an antagonist to Luffy and his crew during the Arlong Park arc but became an ally during the Sabaody Archipelago arc and the Fish-Man Island arc. Though they started off as enemies, the two now genuinely care and respect each other, forming a strong friendship. Hatchan, despite having once been his enemy, held no dislike for Luffy and quickly became friends with him. Luffy loathed Hatchan as he was partly responsible for Nami’s suffering under Arlong, but has come to like him a lot since they became allies.

The two briefly met during the Arlong Park arc after Luffy had broken down the entrance to Arlong Park and proceeded to punch Arlong. Hatchan briefly tried to attack Luffy but was goaded into a fight with Zoro that he eventually lost. They would meet again after Luffy met Camie who took him to save her friend, Hatchan, from the Flying Fish Riders. Despite not wanting to do so initially, he saved Hatchan after Nami told him she was fine with it. He then joined Luffy and his crew to Sabaody Archipelago. Whilst on Sabaody he was shot by the Celestial Dragon, Charlos, which incurred Luffy’s anger upon the Celestial Dragon. Eventually, the Straw Hats were scattered off the island by Bartholomew Kuma. They reunited two years later on Fish-Man Island where he was supportive of Luffy defeating Hody Jones.

Hatchan is fond of Luffy and treats him as a very good friend, despite initially trying to kill him back when he was a member of the Arlong Pirates. He admires Luffy’s abilities and is grateful that he saved, not only him, but Camie as well. When Camie was kidnapped and taken to the Human Auction House he tried to stop Luffy from doing anything rash as he did not want him earning the wrath of the World Nobles. After he was shot by the Celestial Dragon, Charlos, Hatchan tearfully begged Luffy not to attack him, telling the Straw Hat captain this is what he deserves for being a pirate anyway, as well as apologising for the trauma him and his crew had inflicted on Nami. He was happy to be reunited with Luffy and his crew on Fish-Man Island two years later and agreed with Jinbe’s plan to make Luffy a hero of Fish-Man Island by taking out Hody Jones. He bid the Straw Hat’s farewell as they left the island.

Luffy initially hated Hatchan for his role in Nami’s suffering, outright refusing to aid him once he realised who he was. However, after Nami told him she was fine with saving him he agreed to do so, and after getting to know Hatchan, quickly became friends with him. He bonded with him on Sabaody and was extraordinarily angry when he saw Charlos shoot Hatchan. The Celestial Dragon's taunts pushed him to the point where he delivered an extremely powerful punch to the face of the World Noble, in spite of the consequences. He empathised with Hatchan as he tearfully informed Luffy of the tremendous regret he had for what he and his crew had done to Nami, believing him to be sincere about his guilt. When they reunited on Fish-Man Island Luffy was very happy to see him again. He is very fond of Hatchan’s takoyaki.

Bellamy
Bellamy is a former pirate, the ex-captain of the Bellamy Pirates and a former member of the Donquixote Pirates. He and Luffy started out on negative terms but have become very good friends. The two first met back on Jaya where he ended up fighting, and losing, to Luffy. By the time of the Dressrosa arc Bellamy had come to respect Luffy and the two now get on really well. Bellamy looks at Luffy with great admiration and respect after his loss to him, whilst Luffy acknowledges him as a reformed person and a good friend.

When they met, Bellamy loathed Luffy for believing in legends and dreams, chastising him for thinking the sky islands existed and that the One Piece is real. He began to assault Luffy but the Straw Hat captain refused to fight back and was ultimately dragged out by Nami alongside Zoro. After seeing that Luffy's bounty was much higher than his own, Bellamy refused to believe this was true and instead claimed that it was forged by the Straw Hat Pirates. Luffy's attitude changed once he discovered that Bellamy and his crew had assaulted and robbed Mont Blanc Cricket at his house. He then returned to the bar Bellamy was at and got into another fight. Bellamy taunted Luffy and charged up his strongest attack, but Luffy knocked him out instantly. After visiting a sky island himself, he met Luffy again at Dressrosa, he reacquainted himself with Luffy and dropped his patronizing attitude towards him, vowing to never laugh at him again.

Bellamy respects Luffy to a great extent, accepting that he was wrong to doubt him. Other than Doflamingo, Luffy is the only other person he looks up to. When he was ordered to assassinate Luffy by Doflamingo he was extremely relucant to do so despite wanting to join his family. He seeks to emulate Luffy's passion to stand by his prinicpals and chooses to do the same. This led to him having to fight Luffy again, on Doflamingo's orders, even though he wished not to do so and was completely distraught throughout. However, he found solace in the idea of being defeated by someone he admired. When he was defeated by Luffy once again he thanked the Straw Hat captain for considering him a friend. After Doflamingo's defeat, Bellamy refuses to join the Straw Hat Grand Fleet, as he did not wish to be Luffy's subordinate. Nonetheless, he took a piece of Luffy's Vivre Card should he ever need his help.

Luffy acknowledges Bellamy as a reformed man and respects him greatly. He cheered him on during his match in Block B and engaged in a friendly chat with him. He was angry when he saw how badly Doflamingo had beaten him up and outright declared Bellamy to be his friend. He became even more upset when Doflamingo had managed to force Bellamy into fighting him and tried to convince Bellamy not to fight. This caused Luffy to curse Doflamingo's name after having to knock out someone he considered a friend and fuelled his hatred for the Shichibukai.

Foxy
Foxy and Luffy met on Long Ring Long Land Island when the two of them competed in a Davy Back Fight. The pair, generally, do not get along well. Luffy regularly hurts Foxy's pride while Foxy is intentionally antagonistic towards the Straw Hat captain, and at one point, he shot Tonjit's horse in order to goad Luffy into a game. He is very overconfident in front of Luffy and grossly underestimated his crew even though they have a much higher bounty than his own crew.

He is openly hypocritical throughout his matches with Luffy and the Straw Hats, using underhanded tactics but chastising Luffy and his crew for thinking up some of their own tactics. Foxy is not above being a petty loser, especially with Luffy. When the Straw Hats won the last game, Foxy seemingly went to congratulate Luffy but instead tried to get revenge with a sneak attack, but this failed due to Luffy's rubber body.

Because of Luffy hurting his pride repeatedly, Foxy decided to challenge him in combat as their final game. He used various tricks and traps to try to defeat Luffy, with each one ending in failure, and in the end, he was defeated. He teared up out of gratitude when Luffy decided to take his jolly roger, but not his sails so that he could continue traversing the seas. However, he has sworn vengeance on Luffy for giving him a poorly drawn jolly roger as a replacement for the one he had claimed.

Silvers Rayleigh


Luffy first met Silvers Rayleigh on Sabaody Archipelago and became immediately interested in him when he revealed he is the former first mate of the Pirate King, Gol D. Roger. Luffy respects Rayleigh's wisdom and knowledge and was enthusiastic to hear about his stories of Roger. The two created a close student-teacher relationship during the two-year time skip, with Luffy respecting his authority as a mentor and willing to accept the punishment of not being allowed to eat food. Rayleigh becomes a huge catalyst for Luffy's progression, being largely responsible for his major increase in strength post time-skip.

Rayleigh developed a great interest in Luffy after hearing about him from Shanks. Since then, he had been eager to meet him. He has noted Luffy's similarities with his old friend and captain, Gol D. Roger, on several occasions and because of this, unlike a lot of others, Rayleigh never really expresses shock over Luffy's actions. He seems to be pleased that Luffy is exactly the person he believes, and wants him, to be. He throws Luffy a question at one point, asking him if he truly thinks that he is capable of conquering these unforgiving seas, but was pleasantly surprised when Luffy wished not to conquer anything but instead just desires to have the most freedom. Despite his great intirgue in the Straw Hat captain, he is capable of getting annoyed by Luffy, such as when the latter accidentally knocked over his bowl of food during training and proceeded to hit him.

After meeting Rayleigh at the Human Auctioning House, Luffy was able to develop a friendship with him to such a point that he was willing to coat the Straw Hats' ship in Yarukiman Resin for free, and he revealed himself to Admiral Kizaru in order to protect Luffy and his crew. Immediately following the end of the Battle of Marineford, he swam through the Calm Belt to reach Amazon Lily, where Luffy was recovering, in order to train him. It was Rayleigh that rationalized the necessity of Luffy becoming stronger and to not rush back into the fray, warning him that he and his crew would just end up experiencing the same failure they did back at Sabaody. Luffy agreed and Rayleigh assisted him with leaving a message for his crew. While on Rusukaina, the two would begin to develop a close bond while Rayleigh rigorously trained Luffy in the use of Haki and helped him to develop his powerful Gear Fourth form. He explained to Luffy how Haki works, informing him that his Haki will become stronger in the heat of battle when he fights other powerful Haki users.

Rayleigh had become satisfied with Luffy's progress that he chose to leave him on his own for the last six months of his training so he can further his progress independently. Once the Straw Hats had reunited back on Sabaody, Luffy declared to Rayleigh that he would become the Pirate King as he ran towards the Thousand Sunny, Rayleigh smiled with tears in his eyes. He then helped in their escape by holding off the Marines by drawing a line in the ground for them to not cross whilst stating with pride that his apprentice is setting sail. He later told his wife, Shakky, that Luffy is a man worthy of the straw hat, revealing to her that it was once worn by Roger, and commented that it might not be a bad idea to live a little longer in order to see the rest of Luffy's progress.

Hody Jones
Hody Jones was the enemy of Luffy and the Straw Hat Pirates during the Fish-Man Island Arc. Hody held hatred for Luffy for defeating his hero, Arlong, and ending his ambitions of conquering humans. This hatred for Luffy drove him to recklessly take more Energy Steroids that progressively enlarged his muscles but also sent him deeper into a psychotic rage. Due to his arrogance, he was left in shock at seeing Luffy knocking out 50,000 of his men with Haoshoku Haki.

Luffy also considered Hody as an enemy for threatening Shirahoshi, her family, and Fish-Man Island. He found Hody's desire to become Pirate King a challenge and told him that he could become king of whatever country he wants, but not the Pirate King.

Hody had intended to kill Luffy to make an example out of him to the humans on the surface world. Having completely failed in this endeavor, he was imprisoned, but spent his days demanding Luffy be brought to him for a rematch. Such is his great disdain for the Straw Hat captain, he was willing to fight him again despite the extreme damage and rapid ageing done to his body from the steroids he had ingested.

Chadros Higelyges
Chadros Higelyges, otherwise known as Brownbeard, was originally an enemy of the Straw Hat Pirates for the first half of the Punk Hazard Arc. He held no particular hatred for Luffy and his crew, but simply resented them out of his admiration and loyalty to Caesar Clown. This loyalty was transferred to Luffy and the Straw Hats once he discovered that Caesar never truly cared about him or his crew. From then on, Brownbeard became a determined ally of the Straw Hats.

Originally, he did fear both Luffy and Zoro as he recognized them as being part of the Worst Generation. He was captured by the Straw Hats and acted as their mode of transport. He initially disliked them, but chose to work with them anyway in order to avoid succumbing to Shinokuni. He slowly began to respect Luffy and was greatly pleased to see Luffy land a final, devastating blow on Caesar.

Luffy is respectful towards Brownbeard, admiring his commitment to his own men. He was greatly angered on Brownbeard's behalf when he found out Caesar had betrayed him and intended to have him killed. This led to Luffy deciding to save Brownbeard. By the end of the arc, Luffy was saddened that Brownbeard had chosen to hand himself over to the Marines, and remarked that he was his friend.

Chinjao


At the beginning of the Dressrosa Arc, Chinjao hated Luffy because he is the grandson of Monkey D. Garp, the one who crushed his pointy head, which acted as a key to his fortunes. He had since hated Garp and transferred this grudge onto Luffy. When he first met Luffy inside the Corrida Colosseum, he tried to attack him and had to be held back by his grandchildren, Sai and Boo. After Luffy restored his pointed head at the end of Block C, Chinjao's enmity towards Luffy had ended.

Chinjao initially thought lowly of Luffy, seeing him as too green like all the other members of the Worst Generation. He dismissed Luffy's goal of becoming Pirate King and surpassing Gol D. Roger. He was nonetheless intrigued, but also annoyed, when he found out that Silvers Rayleigh had trained Luffy in his use of Haki. Such was his disdain for Luffy, he openly mocked Ace's death, angering him. However, once he had allied with Luffy, he had come to respect his strength and abilities, being amazed when Luffy took out Pica's stone head with a punch.

Initially, Luffy is oblivious and confused on why Chinjao disliked him so much. After their match, Luffy was unaware that Chinjao no longer had any ill-will towards him, and when Chinjao tried to thank the Straw Hat captain, he ran away, thinking he was going to attack him. Eventually, Luffy found out that he does not see him as his enemy anymore and accepted his offer to help him take down Doflamingo.

Chinjao feels indebted to Luffy from then on and aids him as much as he can in his fight against Doflamingo and his family. Such is his determination, he wishes to be the one to defeat Doflamingo on Luffy and Usopp's behalf, and gets into an argument with the other pirates Luffy had allied with, as well as Luffy himself. At the end of the arc, he had no objections with his grandchild, Sai, joining the Straw Hat Grand Fleet.

Caribou


Caribou originally intended to join Luffy's crew to kill him and his crewmates. After seeing Luffy, Zoro, and Sanji defeat the Kraken with ease, Caribou started to fear Luffy's strength and the Straw Hat Pirate's power in general and offered to become their underling or slave. Luffy, on the other hand, viewed him as an annoyance, barely interacted with him and quickly forgot about him.

After Luffy found him trying to capture Shirahoshi, Luffy indifferently sent Caribou flying out of the palace with a single strike, showing that he did not view Caribou as an actual threat.

Later, Luffy and Caribou met again in the Beast Pirates' prison in the Udon region of Wano Country. Caribou begged Luffy for food and offered to team up with or to become Luffy's slave again to break out of the prison. Luffy did not seem to have any hard feelings about Caribou but he was annoyed by his begging. Luffy was notably able to remember Caribou's name, in spite of the little interaction they had.

After Raizo freed him and they spoke with Luffy, Caribou once more pleaded with him to let him join him. This time, Luffy agreed and Caribou was shocked but hastily accepted Luffy' mercy though stated that he is even more scared of him.

Buggy


Buggy was among the first enemies Luffy made while out at sea. He left a strong negative impression on Buggy, having earned his ire. Buggy had since dedicated half of his time trying to find and kill Luffy, and at one point, almost succeeding at Loguetown. When they first met back in Orange Town, Buggy was a frustrating opponent for Luffy, requiring the help of Nami in order to dispatch him. However, by the time they meet in Impel Down, Luffy had grown much stronger than Buggy, a fact noted by Buggy himself.

Although the two were originally outright hostile, they had gotten on more friendlier terms with eath other. The two often end up bickering over trivial things in a very similar way to how Buggy bickers with Shanks. Buggy often tries to take advantage of Luffy's naive nature, but it rarely works out in his favor, and because of Luffy's kindness, he can sometimes feel guilty for it. He got very annoyed when Luffy forgot his name when they met for a second time at Loguetown.

The two became reacquainted in Impel Down and Buggy reluctantly, and almost accidentally, found himself following Luffy deeper and deeper into Impel Down although he planned to leave Luffy behind and retreat at various points. Eventually, he, Luffy, and a band of prisoners successfully escaped the infamous prison. However, he ended up following Luffy all the way to the Battle of Marineford where he scarcely took part. He still proved useful to Luffy when the Straw Hat captain used him as a shield for one of Dracule Mihawk's attacks, causing Buggy to get angry at Luffy and then trying to attack Mihawk.

He also outright saved Luffy's life, albeit unwillingly, when he carried him and Jinbe away from Admiral Akainu and to Trafalgar D. Water Law's submarine during the retreat from Marineford. He also returned Luffy's straw hat after being bribed by Shanks to do so. He was absolutely stunned when he heard that Monkey D. Dragon was Luffy's father.

​​​​Luffy does not think much of Buggy, being overly friendly to his one time enemy. He did not particularly care when Buggy was about to execute him and accepted the probability of death with a smile. He can find Buggy annoying sometimes, which leads the two to get into a lot of arguments. When he first met Buggy, he openly mocked his red nose, something that Buggy is sensitive about.

Since the timeskip, Buggy has seemingly dropped his desire to kill Luffy. Before, he would sail the seas hoping to find him, but later became too busy running his enterprise to do so. Buggy benefited greatly from Luffy defeating Donquixote Doflamingo in Dressrosa, as it brought more business to his dispatch company.

Dracule Mihawk
What Luffy thinks of Mihawk has never been made directly apparent since their interactions have been rare. Nonetheless, Luffy acknowledges Mihawk's immense power and tried to avoid fighting him during the Battle of Marineford. He still went into a rage when he believed Mihawk was going to kill Zoro, but was pleased to see he had allowed his crewmate to live.

Mihawk took an interest in Luffy after he told him that his dream is to become the Pirate King and was unfazed by the difficulty of the challenge. Shanks had first told Mihawk about a "curious kid in a small village," and once he had realized that Luffy was that kid after first meeting him at the Baratie, he traveled to where Shanks was camping with his crew and gave him Luffy's wanted poster. It also appears that Mihawk believes in Luffy's, as well as the Straw Hat Pirates', potential. He kept tabs on their activities and once bothered to attend a Shichibukai meeting with the Marines after Luffy had defeated Crocodile, saying he had a particular interest in the pirates on the meeting’s agenda.

During the Battle of Marineford, Mihawk was amused by Luffy's unorthodox entrance. He was not surprised at the revelation that Monkey D. Dragon was Luffy's father. He openly tried to kill Luffy throughout the battle just to see how fate favors him. He complimented on Luffy's abilities and praised him for not being as reckless in battle as he thought he was. It was during his attempt to take down Luffy and being stopped by numerous people that he came to the realization of what truly makes Luffy so powerful, remarking that it is his ability to turn everyone around him into an ally.

Bartholomew Kuma


Kuma is the former king of the Sorbet Kingdom, a former pirate, a former officer of the Revolutionary Army, a former Shichibukai and a current slave. He appeared to Luffy and his crew at the end of the Thriller Bark arc and again at the end of the Sabaody Archipelago arc. The two have rarely interacted and as a result do not have a clear relationship. Kuma is an ally to Luffy, despite early on appearing to be an enemy, and seems to respect Luffy and his crew. Luffy initially loathed Kuma for his actions, however, now recognises him as a good person after Franky informed him of the things he did.

He appeared before Luffy and his crew on Thriller Bark after Luffy defeated Gecko Moria. He offered to spare all of their lives in exchange for Luffy's, but they refused. In response he released his "Ursus Shock" attack, which only succeeded in knocking most of them out. Zoro, who was one of the people to stay awake, offered his own life in Luffy's place, with Kuma agreeing. Before leaving, he made Zoro experience all the intense pain Luffy had accumulated in his fight with Moria. He reappeared on Sabaody and initially defended the Straw Hats from a Pacifista but then, using his Devil Fruit, forcibly separated the Straw Hats to different islands across the world. During the Battle of Marineford, Luffy and Kuma crossed paths briefly, but did not engage in a serious battle.

Kuma appears to have taken a liking to Luffy and his crew, having gone to such great lengths for them. He remarked to himself on Thriller Bark that Luffy has loyal comrades and that Monkey D. Dragon would be proud of him. When he arrived on Sabaody he saved the Straw Hats from a Pacifista, and his decision to separate Luffy and his crew was an act of mercy to save them from Admiral Kizaru, who had come to the island after Luffy punched a World Noble. Before he sent Luffy away, he told the Straw Hat captain that this would be the last time they would ever meet, as he was fully aware he was going to lose his free will and memories. Following the Battle of Marineford, he convinced Dr. Vegapunk to allow him to complete one last mission of his own free will before becoming a full Pacifista. Vegapunk appeared to have accepted his request and allowed him to spend the next two years protecting the Straw Hat's ship, the Thousand Sunny, from thieves and pirates, greatly damaging his own body in the process.

Out of all the enemies Luffy has faced, Kuma is one of only two people that made him experience true despair, the other being Akainu. During their first encounter, Luffy was unconcious and was completely unaware who Kuma actually was. He was left completely devastated, and crushed, after being resoundingly defeated by Kuma on Sabaody and was distraught that he could not protect any of his friends from him, who were all sent flying one by one. However, at the time, Luffy had no idea this was actually Kuma saving him from Admiral Kizaru. Once it was revealed to him that Kuma had in fact saved them all and defended their ship, Luffy remarked that he was a good guy after all.

Crocodile


Crocodile is the former President of Baroque Works, a former Shichibukai and the antagonsit of the Alabasta arc. He was the very first foe Luffy lost a fight to, having done so twice. The two greatly disliked each other throughout the Alabasta arc but became temporary allies during their escape from Impel Down and throughout the Battle of Marineford. Luffy hated him for the chaos he caused Nefertari Vivi and her kingdom and swore to defeat him for her sake. To Crocodile, Luffy was just a naive rookie who knew nothing of the real world out at sea, but ended up underestimating him.

He was able to defeat Luffy comfortably in their first fight but underestimated Luffy's will power and determination and gave him the opportunity to recover. He fought him a second time and was able to win yet again, but still made the same mistake of not finishing off the Straw Hat captain, allowing him to recover once more to finally be defeated by him. The two met again when Luffy broke into Impel Down to save his brother and discovered Crocodile on the bottom level. Luffy relucantly allowed him to be released and worked with him to escape and to try and rescue his brother, Ace.

He dislikes Luffy but also has a begruding respect for the young rookie. He normally keeps a calm and composed persona, but Luffy can get under his skin, as he bit his cigar clean in half when Luffy called him stupid, causing Nico Robin to laugh. Nonetheless, he acknowledges Luffy's tenacity and revealed to him his poisonous hook, something he rarely uses in his fights. He believed that Luffy's determination to become the Pirate King was weak, and that he would soon forgo this desire once he discovered what the seas are truly like. By the time he meets Luffy again in Impel Down he has seemingly dropped any grudge he had against him, possibly due to seeing him as his only means of escape. However, he chose to be a helpful ally for Luffy and aided him even during the Battle of Marineford. Although, he was greatly annoyed when Luffy interefered in his attempt to kill Whitebeard.

Whilst escaping Impel Down he provided plenty of aid and worked alongside Luffy and Jinbe in defeating the prison guards and the various other enemies that got in their way. During the Battle of Marineford he took on Mihawk in order to protect Luffy from the powerful Shichibukai and used his Devil Fruit powers to prevent Ace from being executed. Whilst Jinbe was trying to escape with Luffy he came to his fellow former Shichibukai's aid and frustrated Admiral Akainu's attempts to kill them. Since the war, he has followed Luffy to the New World and has kept up to date on his exploits in Totto Land.

Luffy greatly despised Crocodile for the chaos he brought to Vivi and her kingdom, and became extremely angry when Crocodile revealed he is responsible for Yuba's plight with sandstorms. He became greatly annoyed by Crocodile's taunts directed at Vivi. Although he was willing to agree with him that Vivi is naive for wanting to stop the incoming civil war without bloodshed, he still found his actions intolerable. By the time he came across Crocodile again, Luffy was not willing to trust him and had to be convinced by Ivankov that he would keep him in check for him before letting him out. He bluntly told Crocodile that he would not allow him to attack Whitebeard because of how much Ace cares for him. Despite that, he was willing to work with Crocodile throughout his escape from Impel Down and during the Battle of Marineford.

Gecko Moria
Gecko Moria is the captain of the Thriller Bark Pirates, a former Shichibukai, and was the antagonist of the Thriller Bark Arc. The two met when Luffy stumbled upon Moria's ship by chance and became enemies once Luffy had discovered what Moria had been doing to the people he captured, as well as for standing in the way of him recruiting Brook. The two do not like each other, Mora sees Luffy as a rookie who is naive about the reality of the world and a pain in his plans. Luffy dislikes Moria for taking people's shadows and trapping them on his ship.

When Luffy arrived in the Florian Triangle he met Brook, a lonely and trapped skeleton man who was also a musician. Whilst talking with Brook he was told about Moria and what he has been doing to people on his ship, and explained how he is also a victim and could not join his crew as a result. This made Luffy want to defeat Moria as he wanted Brook to join his crew. He landed on Thriller Bark and tediously had to fight his way through the entirety of the ship before he was able find, and defeat, the Shichibukai after a gruelling battle with him and his pet zombie, Oars.

Luffy does not like Moria and believes him to be cruel for taking other people's shadows for his own personal use, having met numerous zombies and other victims on Thriller Bark who were stranded there due to having their shadows taken by him and developing an aversion to sun light. Luffy also sees him as a rival, as he too wishes to become the Pirate King, which fuelled his motive to fight and defeat him. When he arrived at the Battle of Marineford he bemoaned having to deal with Moria again but was spared fighting him thanks to Jinbe.

Moria finds Luffy to be greatly irritating, and believed he was too inexperienced, much like Crocodile did, and warned him that even at his current strength, he would lose his crew just like he did. This prediction turned out to be true when the Straw Hats were scattered by Bartholomew Kuma at Sabaody Archipelago. Nonetheless, he did acknowledge Luffy's strength, as he stole his shadow to put into his most powerful zombie, Oars. He warned Luffy to go forth and see the terror of the New World after he was defeated by him. He was more annoyed and angry than anybody else when Luffy arrived at the Battle of Marineford, holding a grudge against the Straw Hat captain for defeating him and ending his ambitions. Despite this, he sought Luffy's shadow again because of his strength. Moria was the only member of the Shichibukai to be shocked at the revelation that Luffy's father is Monkey D. Dragon.

Donquixote Doflamingo


Donquixote Doflamingo is the former captain of the Donquixote Pirates, a former Shichibukai, the former king of Dressrosa, and a former World Noble. Doflamingo proved to be one of Luffy's biggest, and toughest, enemies since the timeskip. Originally having no intention of crossing paths with him, Luffy ended up doing so due to his alliance with Trafalgar Law. Doflamingo underestimated Luffy and believed him to just be a simple rookie, but slowly grew irritated by his constant interference, whilst Luffy despised Doflamingo for his cruelty and for his manipulation of people.

Doflamingo was well aware of who Luffy was well before the events of the Dressrosa Arc, as he attended a Shichibukai meeting in order to discuss Luffy's recent victory over Crocodile. He was visibly shocked that Luffy had the initial 'D' in his name. At the Battle of Marineford, he was greatly amused when Luffy had arrived and even more so upon hearing that Luffy's father is Monkey D. Dragon, remarking that this explains why Ivankov was fighting alongside him. He commented that Luffy escaping with Ace would be more amusing to him and as a result, he chose not to fight nor hinder him. The two would eventually cross paths after Luffy had allied with Trafalgar Law and arrived on Dressrosa where Luffy worked with the various citizens there, as well as fellow colosseum fighters, to take him down.

The Shichibukai grossly underestimated Luffy's abilities. This largely came down to believing in his own divinity and Luffy being of common blood. Having said that, he was well aware of Luffy's potential and warned his allies, Caesar Clown, Vergo, and Monet to be wary of him back on Punk Hazard. Nonetheless, he was cunning and deceptive, and was able to frustrate Luffy greatly throughout the Dressrosa arc. Despite this, he began to hate Luffy because of his perseverance and constant interference, such as preventing him from killing Law several times. When Luffy activated Gear Fourth he laughed at his apperance, but was quickly overwhelmed after he unleashed devastating attacks on him, Doflamingo then began to consider Luffy a great threat and used awakened Devil Fruit powers to attack him. When Luffy was rendered immobile for ten minutes, Doflamingo stopped at nothing to find him due to being determined to make him pay for his actions. In their final confrontation, Doflamingo was ultimately defeated by Luffy.

Luffy did not take Doflamingo any more seriously than his previous enemies, and casually threatened him when he got in contact with Doflamingo through a Den Den Mushi on his way to Dressrosa. However, this changed when he saw what Doflamingo had done to Dressrosa. Luffy became greatly angered at Doflamingo for turning humans into toys, dethroning Rebecca's grandfather, forcing Luffy to defeat his newfound friend, Bellamy, trying to kill Law, and forcing Rebecca to try to kill her own aunt, Viola. Doflamingo also managed to get hold of the Mera Mera no Mi, Ace's Devil Fruit, and used it as bait for Luffy by offering it up as a prize in his gladiatorial game. Earlier in the arc, Luffy had promised Rebecca that he would defeat Doflamingo for her, which served as one of the key motivators for Luffy to take down the Shichibukai.

After he was arrested, Doflamingo did not seem to hold a grudge against Luffy and instead was getting excited at the incoming chaos that will engulf the world because of his defeat. Throughout the Dressrosa arc, Luffy constantly referred to Doflamingo as "Mingo".

Eustass Kid


Eustass Kid is the captain of the Kid Pirates and a fellow member of the Worst Generation. He is a rival to Luffy's dream of becoming the Pirate King. In spite of their rivalry, Kid greatly respects and admires Luffy for his infamous reputation of causing chaos wherever he goes. On the other hand, Luffy had not hear of Kid until he met him in Sabaody Archipelago, but got on with him pretty well and acknowledged him as a rival. The two have shared a competitive rivalry since being reunited in Kaido's prison.

The two first met on Sabaody Archipelago as both were seen as members of the Worst Generation. Kid was greatly excited when he heard that Straw Hat Luffy was on Sabaody and was eager to see him do something crazy. He got his wish as he witnessed Luffy crash land into the Human Auctioning House and deliver a devastating punch to the World Noble, Charlos, which was something that not even he was expecting him to do. In the ensuing chaos, he decided to work with Luffy, as well as Trafalgar D. Water Law, to fight off the Marines before going their separate ways. The two reunited after two years in Wano after both Kid and Luffy were captured by the Yonko, Kaido.

Despite his personality being the opposite of Luffy's, Kid has a great amount of respect for the Straw Hat captain, being impressed by his numerous feats and his well documented insanity. He praised Luffy for being the only Supernova brave enough to take part in the Battle of Marineford, and believed (incorrectly) that Luffy ringing the Ox Bell on his return to Marineford was his declaration of a new age that he will forge himself. However, he sees Luffy as his rival first and foremost, and thus states he will not allow Luffy to do as he pleases. He reunited with Luffy in Kaido's prison and showed his competitive side with the Straw Hat captain, arguing with him on who would be the one to take down Kaido and who did the most work. He worked with Luffy to defeat the deputy warden, Dobon. Despite his respect for Luffy, he rejected his offer for an alliance, not out of any anomosity to him, but because of his bitterness after being betrayed in his last alliance with Basil Hawkins and Apoo.

Luffy does not necessarily think much of Kid, as he does not pay attention to the people in his generation, but seemed to recognize him as his rival and believes he is a strong fighter. Luffy was intrigued by Kid's Devil Fruit and commented that his power is weird, with Kid retorting that Luffy's Devil Fruit was the weirdest. Kid was caught off guard by Luffy nonchalantly claiming he will be the one to find One Piece, remarking that those who say something like that would normally get laughed at, but understood that they had to stake their claim if they want to survive in the New World. Kid thus acknowledged Luffy's determination and promised to meet up with him and Law in the New World. Luffy met Kid again whilst in Kaido's prison and argued with him on who would defeat Kaido and who did the most work. He was greatly concerned when Queen threatened to drown Kid. Nonetheless, he was able to work with him to defeat the deputy warden, Dobon. He likes Kid enough to offer up an alliance with him but KId refused.

Jewelry Bonney
Luffy and Jewelry Bonney have never met. However, Bonney has taken a certain level of interest in Luffy, with mixed emotions. At Sabaody Archipelago, she was greatly angered at Luffy for causing pandemonium after he assaulted a World Noble and brought Admiral Kizaru to their location. As a result, she swore to crush Luffy and his crew if they meet in the New World.

After reading the news of Doflamingo's defeat at the hands of Luffy and Law, she gave them praise and commented that she is pleased to be in the same generation as them.

Capone Bege


Capone Bege is the captain of the Fire Tank Pirates, a former ally of the Big Mom Pirates and a member of the Worst Generation, alongside Luffy. He was originally an antagonist to Luffy but chose to ally himself with the Straw Hats once he realised their goals against Big Mom were alligned. He proved to be a helpful ally to Luffy and his crew throughout the Whole Cake Island arc. Bege found the Straw Hat captain to be a reckelss and an exhausting person but grew to respect him. Luffy did not like Bege for his actions against him and his friends, but grew to like him nonetheless.

Bege first indirectly met Luffy on Sabaody Archipelago and was greatly annoyed with him after he punched a World Noble and brought the wrath of Admiral Kizaru onto the island. Following the time-skip, he made an enemy out of Luffy and the Straw Hats when, as a member of the Big Mom Pirates, he traveled to Zou in order to take Sanji away to be married. Having succeeded, Luffy was greatly upset and chose to infiltrate Big Mom’s territory to recover his cook. He found himself begrudingly agreeing to ally with Bege, due to Jinbe's insistence, once it was revealed he intended to assassinate Big Mom.

Through this alliance their relationship greatly improved. Bege became sympathetic towards the Straw Hats, especially because his wife, Charlotte Chiffon, felt indebted to them for helping her sister back on Thriller Bark. As a result, he became a valuable ally during the Whole Cake Island Arc, at varying points protecting them and refusing to give them up to the Yonko or her crew. The two parted on good terms after he aided Luffy and the Straw Hats’ escape from Whole Cake Chateau, although he continued to aid the Straw Hats with his own escape from Big Mom’s territory.

Luffy initially disliked Bege because of his former life as a Mafia don and for trying to kill Pekoms, someone who Luffy considered a friend. Despite this, at the behest of Jinbe, he agreed to meet with Bege to discuss forming an alliance since Bege wished to assassinate Big Mom and was willing to help the Straw Hats escape with Sanji. The two got into a heated argument during negotiations, and at one point Luffy tried to punch him, but the two were able to set their differences aside and agreed to work together. Luffy began to soften up to Bege and he was very concerned for him when he was being attacked by Big Mom whilst protecting him and his crew in his Big Father form and tried to help him. Luffy found his Devil Fruit abilities amazing and was left star struck when he saw his tank form just before they parted.

Despite getting off to a bad start with Luffy on Sabaody, he stayed loyal to him as an ally. Bege refused to turn on Luffy despite being ordered to do so by Charlotte Katakuri, as despite his disreputable past, he still believed in honoring his deals. He then tried to hold off the Sweet Commander so that Luffy could continue their plan. He provided shelter for Luffy and his crew with his Big Father form and took the onslaught of Big Mom's attacks in order to protect everyone inside. Like most people, he can be irritated by Luffy’s recklessness, as he was stunned when Luffy openly revealed his presence to Big Mom, jeopardizing their plan. After risking his life to keep Big Mom at bay, Bege said that he would not forgive the Straw Hats if they were to die. He was annoyed when Luffy was falsely credited with being the mastermind behind the plot to assassinate Big Mom.

Underworld
The Underworld share a collective animosity towards Luffy for all the chaos he has caused that has frustrated their black markets. Luffy came into direct conflict with the Underworld through Caesar Clown by disrupting his live broadcast showing his newest product, Shinokuni, that they were planning to bid on, and then subsequently defeating and capturing Caesar. They eventually reached their breaking point when Luffy defeated Doflamingo who was one of the Underworld’s biggest members. This led to an alliance being formed with the specific goal of taking down Luffy, but they were swiftly defeated by Admiral Fujitora as a favor to the Straw Hat captain.

Even after Caesar warned Luffy that he will make a lot of influential and powerful people angry, he retorted that he has been fighting people like that since coming to the Grand Line.

Caesar Clown
Luffy became Caesar Clown's enemy after arriving at Punk Hazard. He initially thought that Caesar might be a nice person, but this changed when he was informed of his cruelty by Momonosuke and discovered that he was experimenting gigantification on children through the use of highly addictive drugs, putting their lives at risk, something Luffy found completely abhorrent. He was further angered at Caesar for trying to kill Brownbeard despite the latter's sincere loyalty. Luffy eventually defeated and captured the mad scientist.

For a while, Caesar was held captive by the Straw Hats under Law’s request, as he was the one behind the production of SMILEs and thus they could not afford to let him go. Luffy regularly treated him with disdain and disregard for the most part, not caring about him or his well-being. Luffy had totally forgotten about him until he was told that Jack, of the Beasts Pirates, used Caesar’s poison gas on the minks. Caesar was captured and taken away from the Straw Hats by Capone Bege and the Big Mom Pirates  when they arrived on Zou to take Sanji. Later, when Bege and Luffy were discussing an alliance, Caesar attempted to disguise himself from his former captors, but failing to do so. Luffy was not pleased with Caesar’s presence and almost attacked him.

Despite their strong dislike for each other, Caesar proved to be a helpful ally during the events of the Whole Cake Island Arc as he helped both Luffy and Bege's crews escape the Whole Cake Chateau. When Bege gave Caesar his heart back, Caesar quickly fled, happy to be away from them all. Whilst Luffy and the Straw Hats did not agree with letting him go, and even talked about crushing his heart, they very quickly forgot about him.

World Government
Naturally, Luffy being a pirate has earned the Straw Hat captain their ire. However, due to his actions, and unintentional declaration of war against them, he has incited their fury towards him. Members of the World Government up and down the apparatus all wish to see Luffy eliminated and have dedicated most of their time trying to do so, having rapidly increased his bounty to 1,500,000,000.

A number of Luffy’s actions against the World Government include breaking into Enies Lobby, burning their flag, defeating Rob Lucci of CP9 and reclaiming Nico Robin into his crew. He then assaulted a Celestial Dragon on Sabaody Archipelago. Following this, he infiltrated Impel Down and escaped with some of the most notorious criminals. He joined the Battle of Marineford on the side of the Whitebeard Pirates, and has defeated three of the Shichibukai, Crocodile, Gecko Moria and Doflamingo. Because of this, they see him as a major threat and a bringer of chaos, and threatened to upset the power balance between the Three Great Powers when he challenged Big Mom.

Luffy does not like the World Government, but does not necessarily hate them either. He does not think of them as an entity to hate, but instead hates the individuals that threaten him or his friends, or commit acts he finds atrocious, who also happen to be part of the World Government. This has allowed him to make temporary and permanent allies, friends and acquaintances within the organisation and their affiliates, such as Koby, Helmeppo, his grandfather Monkey D. Garp, Smoker, Tashigi, the Admiral Fujitora, members of the Shichibukai, Crocodile, Boa Hancock, Jinbe, Trafalgar D. Water Law and Buggy. As well as kingdoms such as Alabasta, Dressrosa, Sakura, Ryugu and their respective rulers.

Five Elders
Luffy has never met a single member of the Five Elders, and is not aware of their existence. However, the Fiver Elders have been keeping close tabs on Luffy and his progression. They see him as a nuisance and a threat to the World Government and the balance of power among the Three Great Powers. Due to Luffy having the initial ‘D’ in his name and being the son of Monkey D. Dragon, the head of the Revolutionary Army and the World Government’s greatest enemy, they have labelled Luffy a “Dangerous Future Element”.

They first noted Luffy after he defeated Crocodile and have followed his various actions against them since, such as infiltrating Enies Lobby, burning the flag of the World Government, defeating Rob Lucci and saving Nico Robin, followed by an assault on a fellow Celestial Dragon on Sabaody Archipelago. Then breaking into Impel Down and causing a mass breakout, followed immediately by him joining the Battle of Marineford to try and rescue his brother, Ace, and for defeating three members of the Shichibukai, Crocodile, Gecko Moria and Doflamingo. They were notably angry, and shocked, when they discovered that Luffy had defeated Doflamingo, cursing the Straw Hat captain and calling him a brat.

World Nobles
The World Nobles, also known as Celestial Dragons, are the highest nobility in the world, sitting right below the Five Elders. Because of their actions on Sabaody Archipelago, particularly what the Celestial Dragon, Charlos, did to Hatchan, they incurred Luffy’s wrath, with Charlos being sent crashing through rows of seats and into a wall after the Straw Hat captain punched him.

So far, it appears that the World Nobles do not have a say in the policies of the World Government, aside from the Fiver Elders. As a result, most of them are not necessarily responsible for the World Government’s actions against Luffy. They do, however, have the right to call an Admiral to do their bidding should they wish it, and this was seen when Admiral Kizaru was called to Sabaody Archipelago after Luffy’s actions against Charlos. During the Battle of Marineford, Kizaru stated that the World Nobles have been itching to see Luffy arrested.

Luffy has flat out stated he hates the World Nobles. This began when he witnessed Charlos shoot and mock Hatchan, who he was now friends with. Such was his anger, he was willing to punch the Celestial Dragon despite knowing the consequences of doing so. He was later informed by Boa Hancock of the atrocities they committed to her and her sisters, despising them even more. When he discovered that Doflamingo is a former Celestial Dragon his hatred for him grew.

Magellan
Magellan served as the Chief Warden of Impel Down and became a natural antagonist to Luffy during the Impel Down arc. He found Luffy’s willingness to break into his prison, and being the first to do so, infuriating and bewildering. He was determined to know how the Straw Hat captain managed to infiltrate his prison, but Luffy refused to tell him.

The two eventually fought each other but Luffy resoundingly lost, having been drenched in Magellan’s poison from his Devil Fruit, putting Luffy on the brink of death. He was later shocked that Luffy was not only alive but had reached level 6 of the prison. He then discovered that Luffy was attempting an escape with his makeshift crew made up of infamous prisoners and, despite his best efforts, he failed to stop Luffy from escaping.

He now holds a strong grudge against Luffy, having taken personal offence to him breaking the prison’s perfect record since Shiki's escape, and, by extension, damaging his reputation. Luffy never defeated Magellan, but his success in escaping Impel Down destroyed his standing with the World Government who demoted him to vice-warden of Impel Down, replacing him with his subordinate, and previous vice-warden, Hannyabal. Comparatively, Luffy gained a boon from fighting Magellan as he developed a strong resistance to poison.

Cipher Pol
Though Cipher Pol have agencies stretching from 0 all the way to 9, Luffy has only encountered CP9 and CP6, with the former headed by Rob Lucci, who acted as the main antagonist of the Water 7 arc and the Enies Lobby arc. CP6 were part of the escort team for Franky and Robin but were detached from the Sea Train whilst on their way to Enies Lobby and then had their carts cut in half by Luffy and Zoro.

Cipher Pol do not hold any particular dislike or hate towards Luffy and the Straw Hats. Unlike the Marines, they exist to execute covert missions for the World Government, meaning that they would not try to apprehend Luffy unless specifically ordered to do so. They ended up becoming enemies of Luffy for taking Nico Robin from him and his crew.

Luffy greatly dislikes Cipher Pol, particularly CP9 and their agents, for their actions in Water 7, having falsely accused him and his crew of trying to assassinate Iceburg, and for destroying Galley-La Headquarters. CP9’s loss to Luffy and the Straw Hats caused inside turmoil for Cipher Pol, resulting in the pursuit of Rob Lucci and his former comrades of CP9, and a reshuffling of agents that eventually allowed Lucci to return as a member of CP0.

Rob Lucci
Rob Lucci was the main antagonist of the Water 7 arc and the Enies Lobby arc and became Luffy’s enemy for trying to take away Nico Robin from him and his crew. Luffy followed Rob Lucci and the rest of CP9 from Water 7 to Enies Lobby in order to retrieve Robin.

The two first fought on Water 7, with Lucci comfortably defeating the Straw Hat captain. He regularly mocked Luffy and continuously commented he was too weak to defeat him and save his friend. However, despite his personal animosity towards him, he was greatly pleased that Luffy had caught up to him, Spandam and Robin whilst in Enies Lobby, as he was determined to fight him again. This possibly indicates that, despite what he says, he sees Luffy as a worthy opponent. He praised Luffy that he is cut out to be the captain, acknowledging his leadership qualities and that he wished a certain idiot (Spandam) could bear witness to him.

Luffy despises Lucci for taking Robin away, but also because of his attempts to kill Iceburg and frame the Straw Hats, destroying Galley-La Headquarters and betraying the people of Galley-La. Rob Lucci proved to be Luffy’s toughest fight pre-timeskip, as he was pushed well beyond his limits by the CP9 agent. He was ultimately thankful that he had met him, as their fight helped to make him stronger and develop his Second and Third Gears, acknowledging the strength Rob Lucci possessed.

Due to his defeat at the hands of Luffy that meant his five year mission ended in failure, he was made into a fugitive and was pursued by Spandam and varying members of Cipher Pol. However, he was able to make a return to the agency, joining CP0.

Blueno
Blueno was the first agent of CP9 that Luffy defeated. The two hardly exchanged words and only interacted twice, briefly in Water 7 and again at Enies Lobby. Luffy tried to attack him in Water 7 but his attacks were completely ineffective due to Blueno’s ‘Tekkai’ and ‘Soru’ techniques that are part of the Rokushiki martial arts style. Blueno was responsible for Luffy being able to master the ’Soru’ technique as he was able to observe his movements during their first fight.

He believed Luffy to be a weak pirate and was thus left surprised when, fighting him a second time at Enies Lobby, the Straw Hat captain displayed his Gear Second form and had mastered the ’Soru’ technique in such an absurd amount of time and by only witnessing the move. He was completely overwhelmed by Luffy and was not able cope with Luffy’s onslaught. He remained defiant however, and chose to take Luffy’s Jet Bazooka head on with his strongest ’Tekkai’, this proved to be too much for him as, after a delayed reaction, he fell to the ground, defeated. After his defeat to Luffy he was made a fugitive, alongside the rest of CP9, for failing in his mission.

Luffy greatly disliked Blueno for taking away his crew mate, Robin, framing the Straw Hats for Iceburg’s attempted assassination, destroying Galley-La Headquarters and betraying the friends he had made in Water 7. Luffy still respected him as an opponent, however, and acknowledged he had to use his newly developed Gear Second form to defeat him, and was prepared to use his Gear Third form on him when he believed his second wasn’t enough.

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