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 is 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 enquired 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 recognised 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 apologised 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 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


Due to being a prideful member of the Marines, Garp has high expectations of his grandson, Luffy, and desired, and expected 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, blaming Shanks for ‘corrupting’ Luffy. Nonetheless, he cares deeply for his grandson and has shown to be proud of some of his achievements. On the other hand, Luffy loves, but also fears, his grandfather. However, the two get on quite well with each other, often laughing or scolding one another.

How Garp came into custody of Luffy is never explicitly stated. However, it is assumed that because of the nature of Dragon’s life as a revolutionary, he had passed Luffy off to his father, 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. All this with the explicit goal of making Luffy a strong Marine. Due to Garp’s work as a Marine he had to give Luffy to Dadan whilst he was away. He would return to Luffy during his vacations and held training sessions with him and Ace.

Because of his experiences with Garp from his childhood, Luffy 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, as despite the rough start to them reuniting Luffy and Garp were happy to see each other and the latter even informed Luffy about who his father was and updated him on Shanks. He also promised Luffy he would not try and stop him leaving Water 7 but was later forced to renege on this promise, but was happy to see Luffy had 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 personality.

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, still seeing him as just his grandfather. Because of his love for Garp he was extremely reluctant to fight him during the Battle of Marineford despite him standing between him and Ace. He eventually gave in and punched Garp 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, 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 and had joined 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 let Luffy 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, I hate mountain bandits... but I like you guys!"

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 and 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. This sentiment is reciprocated by each one for Luffy.

Each member of the Straw Hats has 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 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. He 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 members as he would have to take his eyes off Lucci and he would then quickly kill them all, earning 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 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 favour, 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 Luffy 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. This caused Nami and Usopp to panic once they realised 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. 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, with him always taking 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, which 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 Luffy’s, and have ridiculed anyone who insults Luffy’s dream of becoming Pirate King. By extension, they feel a debt of gratitude towards their captain 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, dominantly 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 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 very first crew member to join the Straw Hats and the second friend Luffy made out at sea, Roronoa Zoro was a bounty hunter that regularly hunted down pirates. Despite his initial hatred of pirates, he has become Luffy’s most reliable crew member due to his complete and unwavering loyalty to his captain. He is a firm believer that a crew must follow their captain’s order without question, regardless of the consequences. The two sometimes clash due to their differing personalities, with Luffy mocking Zoro’s terrible sense of direction and Zoro admonishing Luffy for some of his crazy antics. Despite this, they have come to highly respect and admire each other 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 originally 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 dishonourable 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 honour 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. Unlike the rest of the Straw Hats, Zoro has no apparent role on the ship aside from lookout. 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. Reminding him that Usopp went against his captain and that is unforgivable, believing that accepting his return would be allowing him to walk all over his captain. This rationale convinced Luffy not to immediately let Usopp come back and instead waited for him to apologise.

Luffy recognises Zoro as one of the strongest members of his crew. He is never overly concerned about him because he is well aware of his incredible sword skills and knows he can take care of himself. He casually asked Zoro 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 Zoro 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, albeit 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 accidentally upset Zoro due to his poor handling of a katana and throwing the scabbard about, but 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 trusted combatants and lethal crew members, having earned 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 and knocked out 50,000 of Hody Jones' soldiers, 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, leading him to take on all of Luffy’s pain he had accumulated from his fight with Gecko Moria, on top of his own, that left him in a coma for three days.

Zoro acts as one of Luffy’s most trusted advisors 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 have 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 honour 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. 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 sometimes being overbearing and ruining his fun. Nonetheless, the two deeply care for each other.

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. However, after working with Luffy, getting to know him and realising he was not as bad she originally thought, especially after seeing his interaction with Chouchou, the dog in Orange Town, she decided to join his crew. However, Nami ultimately betrayed Luffy and the crew at the end of the Baratie arc, having stolen their ship with all their treasure onboard and returned to Arlong, but did so with tears in her eyes as she wished she could have stayed with them for longer. Despite this, Luffy’s opinion of her did not waver and he remained determined to have her in his crew. Since Luffy defeated Arlong and liberated her from him she has become a mainstay of the crew and a fundamental member, having developed a fierce loyalty to Luffy. 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.

She acts as one of Luffy’s lead advisors and counsels him numerous times throughout their journey. She was present when Luffy formed an alliance with Trafalgar D. Water 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. Luffy seems to hold the most trust in her out of all his crewmates, and lets her be in charge of the finances of the crew. He surrenders all of his authority to her when it comes to sailing the ships, following her orders to the letter.

He has absolute faith in her abilities and never doubts her despite her weak fighting capabilities. He was greatly angered when Johnny 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 requests to leave her village, angering her. He flat out stated that he would not accept anyone else as his navigator. He chose not to listen to Nojiko tell the story of Nami’s past, as nothing she could tell him would change his decision of trying to get her back, having already decided what he was going to do.

Nami sees Luffy as the person she can turn to when emotionally distressed or feeling frightened. On Syrup Village, she aggressively tried to wake Luffy up after he was put to sleep, and was happy when he awoke, ready to fight. When she broke down after Arlong had betrayed their deal she turned to Luffy in tears and asked for his help. She was praying for Luffy to come and save her when Enel had taken her away 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 extremely happy Robin did not want to leave them. In Sabaody Archipelago she desperately calls for Luffy to help her just before she is sent away by Kuma. In the Zou Arc, once she had reunited with Luffy, she immediately ran up to him, hugged him tightly and apologised 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 absolute faith in Luffy’s abilities and never doubts him in a fight. She is often left amazed by his feats and impressed by his mental strength and determination. She was overjoyed to see Luffy had defeated Arlong and tearfully cried when he called out to her and said 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 Mont Blanc Cricket of its existence and location, and was willing to aid him in this endeavour 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 on their way to Fish-Man Island, despite being underwater. She was relieved, and amazed, to see Luffy had not only survived his fight with Katakuri but had won.

Despite this, she is regularly worried 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 extremely upset and tried to escape Weatheria, telling herself she needed to get to him before he loses his mind, 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 cries out for 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 Mirror World, despite Luffy ordering her to do so, because it would prevent him from escaping and getting back to the Thousand Sunny.

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, “Don’t you dare make my Navigator cry!”, after he had betrayed her. He has carried her to safety multiple times and desperately tried to reach out for her just before Kuma swiped her away, greatly angering him and causing him to attack the Shichibukai. When she was sick from 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 increased his pain due to rubber’s reaction to the cold, in order to get a doctor for her. Throughout the story Nami has been the only person Luffy has given his straw hat to wear before he fights and as a means to comfort her. The first time is before his fight with Arlong, with Nami recalling Luffy saying the hat is his treasure and teared up at the gesture. She placed it back on his head after he had won. He does so again before he fights Enel with Nami looking after his hat even during her own fight with Enel. He gave her his hat during the Drum Island and Jaya arcs to hold on to. 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 and also allows her to modify it, asking her to stitch Ace’s Vivre Card on the inside.

Realising 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 Sweet Commander Charlotte Cracker, where she proved to be crucial to Luffy’s victory, utilising her Sorcery Clima-Tact to provide support for him. She has become a firm believer in Luffy’s dream to become the Pirate King, slapping Sanji for disrespecting it and remaining defiant towards Charlotte Cracker, remarking that he might be the right-hand man of a Yonko but her captain will become the Pirate King.

A running gag between the two is Nami’s habitual overcharging habit against Luffy whenever he requests something from her. Such as when, after lending her jacket to Luffy, 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 very few people who can hurt Luffy at will, despite him being made of rubber. Since the time-skip, Nami has become more tolerable of Luffy’s antics, whereas before she would try and keep Luffy under control to avoid him causing chaos, normally ending 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.

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. He is often seen engaging in some of Luffy’s silly antics on the ship and is sometimes the one instigating these shenanigans. 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 endeavour. 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 to Luffy in fights. When testing a canon, he greatly impressed Luffy with his aiming that he was officially made gunner of the ship. He greatly admires his captain and often lies about himself in the mould 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 that he was not Usopp, despite failing with everybody else. Under this disguise he aided Luffy and the Straw Hats 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 realisation 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, in front of Luffy, during the Battle of Marineford and resolved to become stronger for his captain’s sake after he received Luffy’s message. He made one of the most notable improvements among the Straw Hats following the time-skip. He is an adamant believer in Luffy’s dream to become the Pirate King, fully believing that his captain will succeed and, in spite of being a coward, will ridicule anyone who claims otherwise, despite how much weaker he might be to 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 Luffy, reprimanding him 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, 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 well 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 realised 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. He is also 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 face swapping 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 was greatly inspired by Luffy’s performance and victory against Don Krieg and, after being pestered, agreed to join his crew. 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 after having to fight Luffy after being forced to leave the Straw Hats by his family and the Big Mom Pirates. He was happy when he returned to the crew to continue his adventures with Luffy. The Straw Hat captain was overjoyed that he had returned and immediately got excited when Sanji said he will cook something. ​​​​

The two first met during the Baratie arc when he informally introduced himself to Nami. He impressed Luffy due to his desire to feed the hungry no matter who they are, prompting the Straw Hat captain to hound him to join his crew. He continuously refused and mocked Luffy’s dream of becoming the Pirate King, whilst also mocking his own. He still confined in Luffy about his dream to one day see the All Blue. After witnessing Luffy’s fearless and determined fight against Don Krieg, and saving him after he fell into the water, he agreed to join Luffy and his crew.

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 priorities 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. He 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 duo. 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 he rarely gets angry with him, but did so when he refused to admit that he wanted to come back to the crew, punching him in face, having earlier refused to fight back against him. Luffy was overjoyed upon his return and disregards all but one of his family members for how cruelly they treated 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 his cook, along with Nami, Chopper and Brook, 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 each, 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, sticking to this promise despite how badly his health had gotten. After getting captured and breaking free he returned to the spot where he made his promise and waited for Sanji to come. He was greatly angered by Charlotte Cracker’s comments over Sanji’s loyalty and attacked the Sweet Commander for saying Sanji looked down on his crew due to their social status. Luffy did not waver in the face of Sanji’s stubbornness when refusing 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, 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. Realising 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 mocked 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 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.

Due to his lustful desires, Sanji has been seen time to time getting jealous of Luffy, as he was devastated to discover that his captain had been sent to Amazon Lily, an island full of women and no men, and for having gained the affection of the Pirate Empress, Boa Hancock. He is also somewhat jealous of Luffy gaining the attention of Shirahoshi, shouting at him that he is a lucky bastard when she hugged him after saving 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, as the youngest of the crew, often joins him and Usopp in singing and fooling around, and he credits Luffy for helping him find the courage to go on adventures. Luffy accepted Chopper as a person and did not treat him like a monster as so many others did and corrected Chopper when he said he did not have any friends by shouting "You're wrong reindeer, I'm your friend!" this caused a great impact on Chopper causing him to love Luffy like a big brother. Chopper also often tends to jump after Luffy whenever his captain starts drowning, despite also being unable to swim due to having eaten a Devil Fruit as well. Luffy has deep faith in Chopper's medical skills, as when he explained that the "candy" that the giant children were eating was in fact a dangerous drug, Luffy broke a promise with one of them to bring some more "candy".

Chopper devoted himself to "becoming a real monster" during the timeskip, no longer afraid to be feared as long as he can be of help to Luffy.

Nico Robin
Luffy and Nico Robin first began as enemies, but after Robin saves his life in Alabasta, Luffy grows to trust her more deeply which he shows by allowing Robin to join his crew without any reluctance. Robin is especially grateful to him for taking her in despite the risks it involved, as well as for pursuing her all the way to Enies Lobby and directly opposing the World Government. At Water 7, Luffy reveals that he is very impressed by Robin's intelligence when he is talking about her with the mayor Iceburg. As such, Luffy always turns to Robin for explanation whenever they encounter an unfamiliar person, place, or thing. At first, she joined the crew because Luffy had saved her life when she wished to die, and had nowhere else to go, but eventually all of the crew members became important to her personally. Out of all the crew members, Robin is the most tolerant of Luffy's silly behavior, and actually finds him and his family ties amusing. Robin is also one of the few members of the crew who unquestioningly follows Luffy into any dangerous adventure he wants to embark on.

Franky


Luffy initially did not like Franky due to the latter's robbery of Usopp, despite Luffy and Usopp not being on the best of terms themselves at the time. This led to his distrust of Franky for a long while, before he eventually came around to the shipwright during the Enies Lobby Arc and Franky's eventually joining the Straw Hat Pirates. He is always amazed by Franky's building talent, and is often in awe of Franky's cyborg enhancements and modifications, a running gag among many males throughout the show. He also deeply respects him as a man after he was willing to show his genitals to everyone without shame and begging Robin not to rip them off, so he would still be a man when he joins the crew. After the timeskip, with Franky looking and acting even more robotic, he has only become even more amazed. This is especially true with Franky's mecha General Franky which Luffy holds in dumbfounded awe.

Upon hearing Ace's Mera Mera no Mi has resurfaced and was a grand prize in the Corrida Colosseum, Luffy offered Franky to eat it, showing a great deal of trust and friendship, though Franky refused due to not wanting to lose his ability to swim.

Brook


Luffy came to almost immediately befriend Brook upon their meeting, despite the rest of the Straw Hats distrusting and outright refusing Brook, whether due to the initial mysteries behind his form or simply his personality. Luffy's admiration and eventual trust for Brook was cemented in his offering Brook a place in his crew, Luffy's self-considered family.

As the musician of the crew, Brook is often requested by Luffy to perform a song. When requested to play by Momonosuke, he states that he will only respond to orders by his captain, before finally giving in and playing a song. Brook will often join Luffy, Usopp, and Chopper in immature antics, despite Brook being the oldest member of the crew at 90 years of age. Luffy had always stated that he wanted a musician in the crew, so Brook's job is very important to him. Brook often appears to enjoy Luffy's child-like antics and sometimes would even reinforce his humorous behaviour. Luffy is the only member of the crew to find Brook's skull jokes funny. This relationship is strengthened by the fact that Brook was part of the Rumbar Pirates, the crew that were such good friends with Laboon, and promised to meet up again.

Jinbe


While initially assisting Luffy only to protect and rescue Ace, the ex-Shichibukai Jinbe grew so fond of Luffy that he proclaimed while fighting Akainu at Marineford that he would gladly lay down his life to protect Luffy. After escaping the ordeal, he stayed with Luffy on Amazon Lily while he was recovering. It was Jinbe who also brought Luffy out of his self-pity and doubt. The fish-man made Luffy realize that even though Ace had died, he still had his own pirate crew. As Jinbe departed from the Kuja ship, he and Luffy expressed the desire to see each other again in two years. Luffy told Camie of this desire, only to be disappointed when he finds out that Jinbe had to leave Fish-Man Island. However, before he left, Jinbe did leave a message for Luffy with Prince Fukaboshi.

When they met after two years, Jinbe was happy to see him again but surprised he had not received his message. As he himself stated, he has the deepest gratitude for Luffy and his crew for stopping Arlong. He also wanted to apologize to them for Arlong, since he was the one who let Arlong go to the East Blue. Despite the mutual respect between them, after Luffy announced his desire to fight against Hody Jones to save his crew, he informed Jinbe that if he wanted to stop him, he would have to fight him. They eventually reached a compromise and formed a united front to combat Hody Jones and his crew. After the battle of Fish-Man Island, in which Luffy lost a large amount of blood, Jinbe offered his blood for the transfusion. Upon recovering, Luffy asked Jinbe to join his crew. While happy to have been asked, Jinbe declined the offer, stating he has other business to take care of first, but said when all that was done and they meet again, if Luffy and his crew still wanted him to join later, he promised he would join than. Luffy and all the crew members show they want him to join.

During the Whole Cake Island Arc, while Luffy and Nami were being held prisoner by Charlotte Opera, Jinbe came to their rescue by attacking the captor as Luffy was very excited to see his friend who stated his intention of freeing them. It is shown that Luffy trusts Jinbe's opinion, as he fully agreed to meet with Capone Bege (even after hearing the horrible actions Bege did in the past). Jinbe also broke up an argument between Luffy, Bege, and Caesar Clown by pointing out that they share a common enemy in Big Mom.

In the midst of the chaos at Big Mom's Tea Party, Luffy was delighted when Jinbe confronted Big Mom and officially declared his intention to leave the Big Mom Pirates in order to join the Straw Hats.

When his former crew was in danger, Jinbe told the Straw Hats that he had to defend them. Before he disembarked, Luffy made him promise not to die so he would join the rest of the crew at Wano. Jinbe agreed to his new captain's terms and promised to return to their side as he joined his former crew in battle. When receiving a newspaper from Carrot, Luffy was worried about Jinbe's status after they escaped Big Mom's territory but no details were made.

Straw Hat Grand Fleet


The Straw Hat Grand Fleet was formed at the end of Dressrosa Arc, comprised of seven groups, the Beautiful Pirates, the Barto Club, the Happo Navy, the Ideo Pirates (originally known as the XXX Gym Martial Arts Alliance), the Tonta Corps, the reborn Giant Warrior Pirates, and the Yonta Maria Grand Fleet. Though Luffy turned down their offer for the formation of the fleet, the leaders still pledged themselves to be his underlings without Luffy having the obligation to respond. Though a bit annoyed at this, Luffy still accepts them as his friends, promising to help them out if they need it.

After Luffy's actions in Tottoland were revealed, the fleet announced they joined the Straw Hats with Luffy being marked as the "fifth Yonko" as a result.

Cavendish
The captain of the Beautiful Pirates, Cavendish, harbors a deep-seated resentment of the Worst Generation, which used to include Luffy, for stealing the spotlight from him. At first, Cavendish was friendly and sociable to him since Luffy was under the guise of "Lucy". However, right after learning his true identity, Cavendish immediately turned hostile and became hell bent on killing Luffy with his own hands.

Luffy was annoyed by Cavendish's attempts to kill him and with help from Rebecca was able to get away from him. He gained a better view of Cavendish when he watched the latter defend Rebecca from the crowd's jeers, though he admitted to still not liking him.

The hostile nature between them ended when Usopp helped in Cavendish's transformation back from a toy to his human form, even to the point where he told Luffy that he would take down Doflamingo to repay the debt. Cavendish transported Luffy on his horse Farul to confront the Shichibukai and ultimately gave Luffy permission to take the latter down after his steed was injured and he wanted to avenge it.

Luffy seems to have grown to respect Cavendish to a degree as while facing Doflamingo, he watched Cavendish protect some of his crewmates from the Shichibukai and stated he was trusting him to defend his friends. Cavendish agreed though he misinterpreted this as Luffy being his "fan". Later on, it was shown that Cavendish has gained respect for Luffy as well as he was one of the captains who swore to serve under Luffy as they departed Dressrosa.

Luffy often mispronounces Cavendish's name and refers to him as "Cabbage".

Bartolomeo
Two years ago, in Loguetown, Bartolomeo witnessed Luffy survive execution at the hands of Buggy. From that moment forward, he followed all of the Straw Hats' adventures, growing more and more delighted at the crew's escapades. Bartolomeo feels great admiration for Luffy and his crew, referring to them as "Senpai". He formed the Barto Club, with all of the crew members share his admiration. It is shown he will do anything to the point of cutting off a man's tongue for badmouthing Luffy and it is revealed Bartolomeo's reason for wanting the Mera Mera no Mi was to give it to Luffy as memento of his late brother Ace. He was also willing to fight Sabo (not knowing he was Luffy's brother) for saying he would not allow Luffy to have the Devil Fruit. Unlike the other fighters who pursued the bounties of Doflamingo's enemies during the "Birdcage", Bartolomeo did not betray the Straw Hats and continued to offer them aid throughout the conflict, even willing to sacrifice his own life for them. After the conflict on Dressrosa was finished, Bartolomeo along with the other captains swore to serve under the Straw Hats.

Bartolomeo and his crew even gave the Straw Hats a ride to Zou before parting ways. Luffy personally thanked Bartolomeo for his help, marking the first time he call the latter by his name, something that caused the latter to tear up.

Sai
Sai is the thirteenth leader of the Happo Navy. Luffy first encountered him when he was accused of getting in a fight with Spartan at the Corrida Colosseum. Sai, who witnessed the act stood up for Luffy by declaring it was Spartan who started the fight and he should be the one to be disqualified. When Luffy thanked Sai the latter reacted belligerent and angry and even had to be restrained by his brother. Sai did not seem to hold a grudge toward Luffy for winning the Block C and even tried to get his attention for his grandfather to thank him for restoring his head. During the "Birdcage", Sai and his family allied themselves with Luffy to defeat Doflamingo rather than go after the bounty on his head. After the conflict on Dressrosa was finished, Sai and the other captains swore to serve under the Straw Hats. Though he is grateful, he was one of those who got annoyed when Luffy first turned down the alliance and thought to incapacitate the 'commander' and force him to accept them.

Ideo
Ideo first met Luffy as 'Lucy', his opponent in the Corrida Colosseum. However, after losing and being turned into a toy, and then promptly saved from that life, he ended up allying himself with the Straw Hats. Though Luffy has had little interaction with Ideo, the Longarm boxer is still grateful to have been saved and swore himself to be Luffy's underling as the representative of the XXX Gym Martial Arts Alliance. Despite this, he was one of those who got annoyed when Luffy first turned down the alliance and thought to incapacitate the 'commander' and force the Straw Hat to accept them.

Leo
Not much conversation is seen between the two of them, but due to being friends with Usopp, he quickly trusted Leo and the Tontattas. Leo was completely indebted to Luffy and the Straw Hats for ending Doflamingo's reign over Dressrosa. As a result, Leo asked permission from Gancho, the king of Tontatta Kingdom, to travel with him and become a representative for the Straw Hats. Even though Luffy declined the offer, Leo chose to pledge allegiance anyway. After celebrating a feast with the Straw Hats and their allies, Leo returned to Dressrosa with his fellow Tontattas and asked the people to build a statue of Luffy and Usopp in their honor, showing much admiration for them.

Hajrudin
Though Luffy defeated Hajrudin during the Block C battle for hurting the Fighting Bull, the giant was willing to overlook this incident during the "Birdcage" game as he wished to repay his debts to Usopp for saving him from his toy transformation. After the conflict on Dressrosa was finished, Hajrudin was one of few captains who swore to serve under the Straw Hats, despite the low number of crewmates of his reviving Giant Warrior Pirates.

Orlumbus
The leader of the Yonta Maria Grand Fleet. During the events of the "Birdcage" game, Orlumbus allied with Luffy and the rest of their allies in order to end Doflamingo's reign over Dressrosa. After Doflamingo was defeated, Orlumbus decided to pledge his allegiance to the Straw Hats, along with the rest of their allies. When Luffy declined the offer, he decided to pledge anyways and help him out whenever he needed it.

Trafalgar D. Water Law


Luffy has developed a positive relationship with Trafalgar Law and his crew, as they braved the Battle of Marineford and the attacks of the Marine admirals just to save him. When Luffy met Law again on Punk Hazard, Luffy was happy to see him again, not knowing Law's intentions. Luffy stated that he and Law will be enemies if he is going after the One Piece too, but he is grateful nonetheless. Luffy was visibly surprised when Robin revealed that Law became one of the Shichibukai during the timeskip. When Law helped save Nami, he proposed an alliance with Luffy to take down one of the Yonko. Luffy quickly accepted Law's offer after being told that they would be taking down Kaido. He appears to trust Law to go along with this plan of action. When Law was shot by Doflamingo, Luffy showed a lot of concern for his ally. After that, when Law was kidnapped by the Shichibukai, Luffy stated his desire to rescue him. Due to Law being his life savior, Luffy has great gratitude towards Law, considering Law to be his friend. Since the two have formed an alliance, Luffy has developed a running gag of making decisions on behalf of the alliance without considering Law's opinion, usually to the latter's annoyance. He decided to send Caesar Clown flying away in Punk Hazard when the agreed upon plan was capturing him, defeating Doflamingo outright when the plan was leaving him for Kaido, and most recently, joining forces with the Mink Tribe and Kozuki Family to face against the Beasts Pirates. They even had a comical argument about this in Dressrosa, as Law decided to terminate the alliance in light of their plan being compromised. Luffy said that Law cannot decide these kinds of things for the both of them, and Law retorted that was precisely what Luffy was doing. Luffy was shocked and later utterly outraged when he thought Law was killed by Doflamingo.

During Law's desperate struggle against Doflamingo, it was shown that Law thinks highly of Luffy and his crew, saying that they are capable of performing miracles. Law later stated that if Luffy was to be defeated by Doflamingo, he would allow himself to be killed as well, believing that he was responsible for the battle between Luffy and Doflamingo. However, Robin pointed out that Luffy would not enter a battle with no personal reason.

During the Wano Country Arc, the one thing that deeply concerns Law is Luffy's tendency to get into trouble and he even berated Luffy for complicating Kin'emon's plan due to his desire to do good.

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.

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 Damiyou. 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.

Laboon
After entering the Grand Line, Laboon was the first thing the Straw Hat Pirates saw. Launching the cannon in the hopes that it would slow them down, Luffy, instead, hit Laboon. After saving him from Mr. 9 and Miss Wednesday who were trying to use Laboon for food, Crocus explained to Luffy why Laboon would slam his head into the Red Line. Luffy, in an effort to give Laboon a renewed sense of hope, picked a fight with the whale by jamming the Going Merry's mast into the whale's head. After the battle (which Luffy called a draw), Luffy promised Laboon that he would return to see him, under the guise of wanting a rematch, moving Laboon to tears of joy. As a sign of the promise of the future rematch, Luffy paints the Straw Hat Jolly Roger on Laboon's head, commenting that the insignia would be washed away if Laboon hit Reverse Mountain further. This prevents him from slamming against the mountain anymore.

Skypiea
Defeating Enel, the self proclaimed "God" of Skypiea and freeing its people, as well as granting the Shandia back their homeland, ringing the golden bell, and saving Angel Island, Luffy and the rest of the Straw Hat Pirates have become heroes to the people. They even offered the broken column to their saviors. With peace restored to the land many hope that the Straw Hats will visit again. Many were also disappointed that they never got to say goodbye and rang the golden bell instead. Aisa seems to hero worship Luffy as a role model, and Gan Fall also compares Luffy to the Pirate King Gol D. Roger.

Amazon Lily
Luffy also has a very friendly relationship with the entire population of Amazon Lily despite their initial hostility towards him. But after Luffy gained Boa Hancock's friendship and love, it seems every single Kuja practically worships him, as they had never seen a man before. They even went as far as selling "touches, pokes and stretching" of Luffy and his rubbery skin for 20 gold pieces each and most of them affectionately refer to him as "Luffy-sama".

Fish-Man Island
Some time after their arrival, the Straw Hat Pirates became criminals of Fish-Man Island except for a few friends due to suspicion of kidnapping mermaids, Madam Shyarly's prophecy of Luffy destroying Fish-Man Island, and then Luffy's crew taking over Ryugu Palace when the Neptune army attacked them. However, things changed after Hody Jones launched his coup d'état and was on the verge of executing Neptune. Rather than watching their King die, the civilians were willing to see Shyarly's prediction come true. During the ordeal, the Straw Hats were able to gain the civilians' trust after Luffy thwarted Neptune's execution per Shirahoshi's pleas and when the crew was seen fighting alongside Jinbe. After saving Fish-Man Island from the New Fish-Man Pirates, Vander Decken IX, and Noah, Luffy and his crew were cleared of the kidnapping charges when the mermaids were found and the Straw Hats were hailed as heroes for their efforts in saving the island from destruction. However, when Luffy was suffering from critical blood loss, the civilians did not do anything to help him due to their laws, but they rejoiced when Jinbe volunteered to be the blood donor. After a huge party in the Straw Hats' favor, Luffy discovered that while Fish-Man Island was protected by the Big Mom Pirates, she would not hesitate to destroy Fish-Man Island if she did not receive her monthly 10 tons of candy. Luffy then took responsibility for the missing candy to protect Fish-Man Island again. When negotiations of treasure instead of candy failed, Luffy declared that he would defeat her in the New World and claim Fish-Man Island as his territory.

Kyros
Luffy first met Kyros while the latter was a toy soldier and Luffy was amazed at seeing a living toy.

During their next meeting at the Dressrosa Palace, Kyros noted that Luffy was a pirate but due to them both desiring to take down Doflamingo, Kyros immediately warmed up to Luffy and allied with him to save the kingdom. Furthermore, Kyros trusted Luffy as he mentioned he himself is also an outlaw. Kyros refers to Luffy as "Luffyland" and aided him in the quest to defeat Doflamingo. When Luffy defeated Doflamingo, Kyros thanked the Straw Hats for saving Dressrosa and gave them shelter before the Marines tried to capture them.

In turn, Luffy brought the latter's daughter back to him, so they could live together.

Gatz


Because Luffy (as Lucy) was gaining such attention in the Corrida Colosseum with his amazing feats, the commentator Gatz became a huge fan of Luffy rooting for him to win the competition. During the fight against Doflamingo, Gatz came to Luffy's side when his Gear Fourth wore off and protected him from Doflamingo's rampage long enough with various gladiators to give Luffy enough time to regain his Haki. Furthermore, he has a immense faith in Luffy to the point he made a broadcast to the whole island that Luffy would defeat Doflamingo with one punch and save the kingdom. After Doflamingo's defeat Gatz tearfully proclaims Luffy to be the victor of both the fight and the savior of Dressrosa. When he learns that Luffy supposedly kidnapped Rebecca, he was left in shock but still remained a fan of his. But it was clear that he was aware that Kyros is Rebecca's father and was happy that Luffy brought her back to him. Even after finding out his real name, Gatz, along with the citizens of Dressrosa, still calls him by his gladiator name "Lucy".

Tama
Luffy inadvertently rescued Tama when her kidnappers attacked him. Because of this, she has immense gratitude and refers to Luffy with a "big brother" honorific. She even went as far as to give him the rice she was meant to have, even though it is the most she eats all year. However, Tama became furious when Luffy reported Ace's death to her. After she was abducted by Gazelleman and brought to Holdem, Tama hoped for Luffy to save her, showing her faith in him. After Luffy freed her from Holdem, Luffy promised that he would make her life better before leaving Wano Country. She is unaware that Luffy is Ace's brother, though she has noticed similarities between the two. After hearing that Kaido attacked her, Luffy regretted not taking her to her home safely himself and attacked Kaido in a fit of rage. When Tama heard about Luffy's capture, she was more concerned about him than her own injuries. She cares about Luffy so much that she went with the group heading for Udon to get him out. Tama was happy to be reunited with him after his group's takeover of Udon.

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 starting 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.

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. 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.

Luffy values Vivi to such a degree that he sees her as an honorary member of the Straw Hats and cherishes the time he shared with her as a part of the crew. 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. When Crocodile dropped Vivi from the top of the palace plateau, he came to her rescue with the aid of Pell.

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.



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 princess. This upsets both Luffy and the rest of the crew, but they reassure her that she is 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. 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
The two have a strong dislike for each other. Wapol greatly annoyed Luffy by taking a bite out of the Going Merry when he and his crew tried to ambush the Straw Hat Pirates. This quickly turned into a fight with Wapol trying to eat Luffy, but this was futile. Luffy then quickly defeated him and sent him flying out to sea. He was 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 Drum Island 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 believes him to be a fraud for trying to shoot down the pirate flag atop his former castle and chastised him for not understanding the meaning of it.

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. 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 one of Luffy's most devoted allies due to her being in love with him. 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, 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 for his execution. After seeing that Luffy is immune to her charms, she saw him as a man who could not be allowed to exist. In turn, Luffy initially disliked Hancock because she openly mistreated and punished members of her own tribe for simply standing up for him.

Hancock was left stunned when Luffy was able to use Haoshoku Haki, as well as his devotion to protecting members of her own tribe who Luffy had made friends with. Hancock eventually relinquished her desire to have Luffy executed when he covered her sister's back during their fight in order to keep their slave mark hidden from the crowd, fully aware on how much the sisters do not wish anyone to see it. She thought Luffy was just like all men in the world, selfish and arrogant, but was shocked when he chose to save Marguerite, Sweet Pea, and Aphelandra rather than benefit himself. After hearing about Luffy's attack on a World Noble and that he harbored no hatred for Hancock for her past as a slave, she was soon stricken with "Love Sickness" over Luffy.



Hancock's love for Luffy runs to extreme lengths, dropping her normally stoic and serious demeanour 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. During the Battle of Marineford, Hancock believed that Luffy's hug was a marriage proposal. Hancock is completely unaffected by the news that Luffy's father is Monkey D. Dragon, despite his notorious reputation, simply stating she would not care if Luffy was the son of the devil himself.

Because of her love for Luffy, she helped him on multiple occassions. 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 of Marineford, 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. She immediately came to Luffy's aid when Smoker attacked him, and she aggressively threatened the commodore. She tossed aside her obligations of aiding the Marines as a member of the Shichibukai to instead openly aiding Luffy during the war. After the war, she was grief stricken when she discovered that Luffy was in a critical condition, barely eating her food back at Amazon Lily until she knew he would recover. Before Luffy began his training with Silvers Rayleigh, Hancock was angry when Rayleigh told her that she cannot come and give Luffy food during 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.

While Luffy does not reciprocate Boa 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 donatd 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


Her initial impressions of Luffy are positive, having witnessed him effortlessly defeat Spartan, a man who had occasionally bullied her. She felt comfortable enough to tell him the history of Kyros after seeing him admire his statue. Both she and Luffy are happy to find that they are in separate gladiatorial matches and hoped they both made it to the next round. However, despite her interest in Luffy and how much she likes him, she ultimately felt compelled to assassinate him in the gladiator quarters when she witnessed just how powerful he is, believing that he is a huge obstacle in achieving her goal of winning the Mera Mera no Mi and ultimately, to defeat Doflamingo.

She attempted to kill him but failed to do so, and accepted whatever punishment Luffy might give her. She was left dumbstruck by Luffy's forgiveness of her, furthering her intrigue in him. Such is Luffy's kindness, she decided to confined in him her desires to defeat Doflamingo for what he did to Dressrosa, and to ultimately stop relying on others, specifically the Thunder Soldier.

Luffy warms up to Rebecca and admires her desire to grow stronger and wanting to defeat Doflamingo, a shared enemy. He cheered her on from the gladiator quarters and grew angry when the crowd treated her with contempt. He began to worry for her well-being after she was put on Doflamingo's wanted list. He informed her about the Thunder Soldier being her actual father, Kyros, and promised he would defeat Doflamingo for her. Later, Luffy managed to overcome the drawbacks of using Gear Fourth in order to stop her unwillingly delivering the killing blow to her aunt, Viola. Before Luffy left Dressrosa, he made sure Rebecca is truly happy by taking her to her father, Kyros.

Rebecca wishes to aid Luffy whenever she can, and successfully did so when delivering the key to Trafalgar D. Water Law's Seastone handcuffs, with Luffy complimenting her on her success. It was here that Luffy reassured her that he would defeat Doflamingo because he will become the Pirate King, amplifying Rebecca's faith in him.

She cares for Luffy greatly and becomes somewhat dependent on him, often calling for him when she is in a desperate situation, particularly when she was being forced to cut down her own aunt. She is filled with relief whenever he comes to her aid. Throughout Luffy's fight with Doflamingo, she showed constant concern for his well-being, calling his name when the situation intensifies and showed great relief and happiness when he managed to fulfil his promise of defeating Doflamingo. She is later happy to see that Luffy managed to escape Dressrosa despite Fujitora's attempts to stop him, simply remarking that she hopes to see him again one day.

Since the Dressrosa Arc, Rebecca has become somewhat enamoured by Luffy and seeks to talk about him at every opportunity, and she does so with Koby, Vivi, and Shirahoshi. She took great pleasure reading about his exploits in Totto Land.

Rebecca has the habit of calling Luffy by his gladiator cover name, 'Lucy', despite being corrected numerous times.

Vinsmoke Reiju


Luffy first met Vinsmoke Reiju, Sanji's elder sister, 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.

Out of all the members of Germa 66, Reiju is the one Luffy gets along best with and has developed the most friendly relationship. He sees her as a helpful ally and a kind person. He is grateful to her for saving his life when he was poisoned from eating the Armored Stonefish and was even more grateful for her consistent aid in helping him retrieve Sanji.

During their brief encounters, Reiju has been shown silently admiring Luffy's loyalty to her younger brother. After she saved his life, Luffy thanked her but immediately demanded that she return Sanji, causing her to smile yet again. 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. 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.

Thanks to Luffy's efforts in showing Big Mom Carmel's shattered portrait and causing her to scream, Sanji was able to free Reiju and the other Vinsmokes after the Big Mom Pirates trapped and held them at gunpoint. When Big Mom attempted to kill Reiju, Luffy and Sanji quickly came to her aid by blocking Big Mom's attack.

At Cacao Island, Reiju and her siblings aided Luffy once again by ensuring Sanji escaped with him, holding off the army assembled by Oven.

Bentham


Bentham, otherwise known as 'Bon Clay', is one of Luffy's closest friends outside of his crew. He 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.

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. This led to him beginning a trend of helping Luffy and his crew escape danger, as he helped to hide their ship from the Marines so it could not be captured. In order to fulfil 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 in order to hold them off and go toe to toe with Hina. 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.

Luffy encounters Bon Clay again in Impel Down, the two friends were overjoyed at meeting each other once more. He immediately chose to aid Luffy in his endeavour to save his brother, Ace. Although he abandoned Luffy when they were forced to deal with Magellan, he did so with tears in his eyes and was guilt stricken. However, he rationalized that it was better to fight another day. This proved to be correct, as thanks to Bon Clay surviving, he was able to save Luffy after his loss to Magellan and tried to take him to a fellow Okama, Emporio Ivankov, ultimately succeeding and saving Luffy.

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 for going 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 defend him. He also made it apparent that he fought the Strong Hats reluctantly 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 the Straw Hats because he viewed them as his friends.

In turn, Luffy sees Bon Clay as a close friend and 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.

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. He chose to stay behind in order to open the Gates of Justice, using his Devil Fruit abilities to impersonate Magellan. However, this ploy meant he could not come with Luffy to the Battle of Marineford and was instead left at the mercy of the real Magellan. He and Luffy tearfully say their goodbyes over a Baby Den Den Mushi, and Luffy promises to never forget him.

Emporio Ivankov


Ivankov 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.

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, but under the false impression that Ace was also Dragon's son. However, he still chose to aid Luffy when he found out that was not the case.

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 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, and when Luffy talked back to Whitebeard and challenged him to see who could save Ace first. 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 wonders 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


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.

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.

Luffy found Krieg's use of tricks in battle 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.

After a long battle, Luffy managed to defeat Krieg, but even after the battle was over, Krieg unconsciously got up and demanded to continue the battle, only to be knocked down by Gin.

Arlong


Luffy became Arlong's enemy because of the latter's cruel treatment of Nami. After seeing Nami cry and she asked for help, Luffy decided to storm Arlong's base, Arlong Park, alongside Zoro, Sanji, and Usopp. Once meeting Arlong, Luffy wasted no time punching him. Although Luffy admitted that he has no special skills like his other crew members, he was absolutely certain he would defeat him. Arlong considered Luffy weak because of his belief that fish-men are naturally superior to humans.

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. Luffy deduced that the room was essentially a prison for Nami, which greatly angered him even further. He decided to trash the room, destroying all of the work Nami had been forced to do for Arlong. This led to Arlong going into a fit of rage as Luffy was destroying his ambitions.

Determined to destroy Arlong Park, Luffy performed a final attack on Arlong that simultaneously knocked the fish-man out and collapsed the building they were in. Luffy emerged the victor, with a great satisfaction of having defeated Arlong and freeing Nami from him.

Bellamy
Bellamy and Luffy started out on negative terms. He loathed Luffy for believing in legends and dreams, chastising him for believing that sky islands existed and that the One Piece is real. He also assumed that Luffy was a weak person. After seeing that Luffy's bounty was much higher than his, Bellamy refused to believe this was true and instead claimed that it was forged by the Straw Hat Pirates.

When Luffy was attacked by him in a bar, he chose not to fight him, believing it was not worth his time and he had no point to prove against someone like him. This led to both Luffy and Zoro receiving a beating by not fighting back. However, this attitude changed once Luffy 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 dropped his patronizing attitude and vowed to never laugh at Luffy again. As a result, the two became more friendly with each other and Luffy cheered him on during his match in Block B. They engaged in a friendly chat where he thanked Luffy for what he did for him. Luffy outright declared Bellamy his friend after seeing how badly Doflamingo had beaten him up. Luffy was extremely reluctant to fight him when he was under Doflamingo's control and even after he was released. Eventually, Luffy brought himself to knock out Bellamy again. Having to do this greatly upset Luffy and ignited his anger towards Doflamingo.

When Bellamy was ordered to assassinate Luffy by Doflamingo, as it was his only chance of becoming a fully fledged member of his family, he was extremely reluctant to do so. Because Bellamy did not wish to betray his own principals, he chose to fight Luffy. Throughout his fight with Luffy at the Dressrosa palace, he was completely distraught, but believed he had to continue fighting, finding solace in the idea of being killed by someone like Luffy. He tearfully thanked Luffy for considering him a friend just before he was knocked out by the Straw Hat captain.

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.

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 respects Rayleigh's wisdom and knowledge and was enthusiastic to hear about his stories of Roger. The two create 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 major 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 Luffy. He has noted Luffy's similarities with his old friend and captain, Gol D. Roger, on several occasions. Unlike a lot of others, Rayleigh never truly expresses shock over Luffy's actions. He seems to just 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 wants the most freedom. However, Rayleigh 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.

Once the Straw Hats had reunited back on Sabaody, Rayleigh helped in their escape by holding off the Marines. When Luffy declared that he would become the Pirate King as he ran towards the Thousand Sunny, Rayleigh smiled with tears in his eyes. He later told his wife, Shakky, that Luffy is a man worthy of the straw hat that was once worn by Roger, and commented that it might not be a bad idea to live a little longer in order to see 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 endeavour, 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. Ironically, 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
Luffy and Kuma rarely interacted, and early on it, appeared that Kuma was an enemy of the Straw Hat Pirates. He appeared before them on Thriller Bark after Luffy defeated Gecko Moria, and he offered to spare all of their lives in exchange for Luffy. They refused, and he then 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. After he made Zoro experience all the intense pain Luffy had accumulated in his fight with Moria, Kuma remarked to himself that Monkey D. Dragon's son has loyal comrades.

In reality, Kuma was aligned with the Revolutionary Army, the World Government's direct enemy, and served under Dragon. This mostly explains Kuma's subsequent actions where he defended the Straw Hats from a Pacifista and aided Luffy and his crew by forcibly having them leave Sabaody Archipelago with his Devil Fruit ability, under the guise of defeating them. Following the event at Sabaody, he had Doctor Vegapunk program him to defend the Straw Hats' ship, the Thousand Sunny, while they were gone for two years, receiving extensive damage in the process. Before he sent Luffy to Amazon Lily, he told him that they will never meet again, due to him being fully aware he will lose his free will and memories. During the Battle of Marineford, Luffy and Kuma crossed paths briefly, but did not engage in a serious battle.

Out of all the enemies Luffy has faced, Kuma is one of two people that made him experience true despair, the other being Akainu. Luffy was left completely devastated and crushed by his inability to save any of his friends from Kuma, who were all sent flying one by one. 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 the Straw Hats and defended their ship, Luffy remarked that he was a good guy after all.

Crocodile


Crocodile was the very first foe Luffy lost a fight to, having done so twice. Luffy hated him for the chaos he caused for Nefertari Vivi and her kingdom and swore to defeat him for her sake. To Crocodile, Luffy was just a rookie who knew nothing of the real world out at sea. He underestimated Luffy's will power and determination numerous times and gave Luffy the opportunity to recover from his first two fights. Although he kept a calm and composed persona, Luffy can get under his skin, as he bit his cigar clean in half when Luffy called him stupid and Nico Robin laughed. 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.

In their third fight, Luffy successfully defeated Crocodile, who was arrested soon after by the Marines. When they met again in Impel Down, Crocodile seemingly does not hold a grudge against Luffy. He even asked for Luffy to let him join in his quest to save his brother, Ace, though he was seeking for a chance to kill Whitebeard. On the other hand, Luffy was not so willing to trust him. He refused outright to free him because of what he had done in Alabasta. He only relented when Ivankov promised to keep him in check.

Crocodile proved to be an extremely useful ally for Luffy. Not only was he fundamental in escaping Impel Down, but he intervened in Ace's execution, stopped Mihawk from going after Luffy, and saved both Luffy and Jinbe from Admiral Akainu. However, when Crocodile took an opportunity to attack Whitebeard, Luffy got in his way.

Gecko Moria
Gecko Moria was Luffy's enemy during the Thriller Bark Arc. Luffy stumbled upon Moria's ship by chance and never aimed to specifically take him down. It was only when he was told that defeating Moria would allow Brook, a musician, to join his crew that Luffy decided to take on Moria. Luffy also sees him as a rival, as he too wishes to become the Pirate King.

Having said that, 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 on Thriller Bark and victims who were stranded there due to having their shadows taken by Moria and developing an aversion to sun light.

Moria believed Luffy was too inexperienced, much like Crocodile did, and warned him that even at his current strength, he would lose his crew. This prediction turned out to be true when Luffy's crew was scattered by Bartholomew Kuma at Sabaody Archipelago. Nonetheless, he acknowledged Luffy's strength, as he stole his shadow to put into his most powerful zombie, Oars. Unfortunately, Luffy managed to defeat both Moria and 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 proved to be one of Luffy's biggest enemies since the timeskip. Originally having no intention of crossing paths with him, Luffy ended up doing so due to his alliance with Trafalgar D. Water Law.

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 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.

Luffy did not take Doflamingo any more seriously than his previous enemies. 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.

Doflamingo 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 he was able to frustrate Luffy greatly throughout the Dressrosa Arc. Despite this, he began to hate Luffy because of his perseverance and constant interference, which prevented Doflamingo from killing Law several times. When Luffy activated Gear Fourth and unleashed devastating attacks on him, Doflamingo began to consider Luffy as a great threat and used awakened attacks against 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.

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 after his defeat. Throughout the Dressrosa arc, Luffy constantly referred to Doflamingo as "Mingo".

Eustass Kid


The two met on Sabaody Archipelago where they were given the title of the "Worst Generation" as both Kid and Luffy were part of a group of pirates who had gained a bounty worth over 100,000,000 and landed on Sabaody at the same time. Kid is the antithesis of Luffy, whilst also achieving similar notoriety as the Straw Hat captain. He is notoriously ruthless and cruel compared to Luffy's mellowed and friendly personality. He was the only member of the Supernovas to have a higher bounty than Luffy, beating him by 15,000,000. Luffy does not necessarily think much of Kid, as he does not pay attention to people in his generation, but seemed to recognize him as his rival and believes he is a strong fighter.

Despite his personality being the opposite of Luffy's, he has a great amount of respect for him. Being impressed by his numerous feats and his well documented craziness. He 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 Celestial Dragon, Charlos, which was something that not even he was expecting him to do, remarking in disbelief "Is he serious?!" when he saw Luffy storm towards the Celestial Dragon.

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. Luffy was intrigued by Kid's Devil Fruit and commented that his power is weird, with Kid responding that Luffy's Devil Fruit was the weirdest. He was caught off guard by Luffy nonchalantly claiming he will be the one to find One Piece, remarking that saying something like that would normally get you laughed at, but understood that being afraid to stake your claim is a sign of weakness in the New World, he thus recognized Luffy's guts and promises to meet up with him and Law in the New World.

Kid ultimately acknowledges Luffy as his most serious rival and takes pride being in the same generation as him. He praised Luffy for being the only Supernova brave enough to take part in the Battle of Marineford, and believes (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.

The two end up reuniting in Kaido's prison after they were both captured by the Yonko. Here, their relationship became more fleshed out and their rivalry was put on full display, with the two of them often arguing on who did the most work. Kid also swore to Luffy that he would be the one to take down Kaido. However, Luffy is rather friendly with him, and offered to form an alliance with him to defeat Kaido, but he turned him down. Luffy was concerned when Queen threatened to drown Kid.

Jewelry Bonney
Luffy and Jewelry Bonney have never met, and as far as Luffy is concerned, its probable he does not know she exists, despite sharing the same generation. However, Bonney has taken a certain level of interest in Luffy, with mixed emotions. She was greatly angered on Sabaody Archipelago when Luffy had caused pandemonium after he assaulted a Celestial Dragon and brought Admiral Kizaru to their location. As a result, she has sworn to wipe out Luffy and his crew if they meet in the New World.

Despite this, she was seen reading the paper when news of Doflamingo's defeat at the hands of Luffy and Law were released. She commented that she is pleased that her rivals have done well, seemingly taking pride at being in the same generation as them.

Capone Bege
Capone Bege is a member of the Worst Generation, alongside Luffy. He was greatly annoyed with Luffy’s actions on Sabaody Archipelago after he punched a Celestial Dragon and brought the wrath of Admiral Kizaru onto the island. He later made an enemy out of Luffy when, as a member of the Big Mom pirates, he travelled to Zou in order to take Sanji away from the Straw Hats. Having succeeded, Luffy was greatly upset and chose to infiltrate Big Mom’s territory to recover his cook.

Luffy did not like Bege, he believed him to be cruel because of his former life as a Mafia don and for trying to capture and kill Pekoms, someone who Luffy considered a friend. Despite this, at the behest of Jinbe, he agreed to meet with his fellow Supernova to discuss 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.

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 all the way back on Thriller Bark. As a result, he became a valuable ally during the Whole Cake Island arc, and aided Luffy’s, as well as his crew’s, escape from Whole Cake Chateau and from Big Mom’s territory. Luffy was very concerned for Bege when he was being attacked by Big Mom whilst protecting him and his crew and opted to try and help him.

Bege refused to turn on Luffy despite being ordered to do so by Charlotte Katakuri, as despite his disreputable past, he still believed in honouring 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 left irritated by Luffy’s recklessness, as he was stunned that Luffy openly revealed his presence to Big Mom, jeopardising their plan. ​​​​​

The two parted on good terms and Bege told the Straw Hats that, after risking his life to keep Big Mom at bay, he would not forgive them if they were to die. He was still 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. They have been largely responsible for notable incidents and events throughout his adventure, such as providing the Dance Powder that Crocodile used to create a drought in Alabasta, selling the Adam Wood to Franky with the money he stole from the Straw Hats that was then used to create the Thousand Sunny, and running the Human Auction House that tried to sell Camie into slavery. They were also responsible for Boa Hancock’s imprisonment as a child where she was tortured by a Celestial Dragon.

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 Underground’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 favour to the Straw Hat captain.

Despite this, Luffy has made a few allies who are members of the Underworld, such as Hajrudin and Buggy. The former having joined the Straw Hat Grand Fleet and the latter being an acquaintance. Luffy is not at all fazed by the threat of the Underworld. Even after Caesar warned him 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 does not get on well at all with Caesar Clown, as don’t the rest of the Straw Hats. He initially believed that Caesar might be a nice guy, but this changed when he first met him on Punk Hazard and 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 by Caesar for trying to kill Brownbeard despite the latter's sincere loyalty. Luffy eventually defeated and captured the mad scientist.

For a while he was held captive by the Straw Hats under Law’s request, as he was the one behind Doflamingo’s, and by extension, Kaido's, production of SMILEs and thus they could not afford to let him go. Luffy regularly treated him with disdain but also a level of disregard, for the most part not caring about him or his well-being. He had totally forgotten about him until he was told that Jack, of the Beasts Pirates, used Caesar’s poison gas on the Mink tribe. Caesar was able to escape the Straw Hats with Capone Bege whilst on Zou. He was eventually reunited with them when Bege and Luffy were discussing an alliance, having failed to disguise himself from his former captors. 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. Carrying Bege to safety whilst he, in turn, was carrying Luffy and his crew inside him. Once the group had escaped Whole Cake Chateau he was given his heart back by Bege and was allowed to leave. He tried to celebrate his leaving of the Straw Hats by taunting them with his goodbyes but Luffy and his crew were completely oblivious, frustrating him. Nonetheless, he was happy to be away from them.

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 allies 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 infilitrating 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-time skip, 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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