Chopperman (Spin-Off Manga)

Chopperman is a One Piece spin-off manga set in the Chopper Man universe. It is written and illustrated by Hirofumi Takei (武井宏文). It originally ran in Shueisha's monthly Saikyō Jump magazine between the years 2011 and 2014.

Premise
Chopperman (Tony Tony Chopper) is a superhero who lives on Tony Tony Island and fights against an evil organization led by Dr. Usodabada (Usopp).

Chopperman
Chopperman (チョッパーマン) is the protagonist of the Chopperman series. He is a hero protecting the peace on Tony-Tony Island. He uses his cape to fly around the island during emergencies. His primary attack is "Kyuun Spark" (キューンスパーク), though he will resort to "Chopper Violence" (チョッパーバイオレンス) if it fails. He is empowered by friendship, and will become stronger the more people he hears cheering for him. His hat is pink when he's invigorated and white when he's been defeated, but it can be recharged if enough people cheer for his success. His sense of smell is 10,000 times the average.

Chopperman wields the power of the "Cross Power" (〝クロスパワー〟), allowing him to double all his abilities. The power is contained in his hat. When his hat turns white, it means that the Cross Power is primed to be activated, and upon genuine, heartfelt cheering from his companions, the hat becomes dark red. During this time, Chopperman's abilities are doubled, lasting until the threat is defeated. The Cross Power's power only functions if the cheering is a genuine plea from those the wielder is helping, and it cannot be forced.

Air Force C
The Air Force C (エアフオースニC) is Chopperman's private jet. There are two versions of the jet, a model version and a real plane. The model version includes a M61A1 Vulcan 20mm caliber cannon, two missile launchers, and two Aim-9J missiles. The capabilities of the jet version are unknown.

Namifia
Namifia (ナミフィア) is Chopperman's assistant. She works inside Chopperman's Hideout, waiting for emergency reports. However, once the emergency occurs, she will always come with Chopperman to resolve it. Before the heroes discovered Dr. Usodabada's true identity, she did all the investigation work for it, while Chopperman and Zorokiller simply ignored it.

Zorokiller
Onigiri Mystery Man, Zorokiller (おにぎり怪人 ゾロギラｰ) is a monster created by Dr. Usodabada to take over Tony-Tony Island. However, he was created without a memory, and does not remember anything from before landing on the island, though he does recover some memories later. He was inspired by Chopperman's friendship with the island's residents and joined his side, helping to defend the island. Like his main series counterpart, he has no sense of direction.

Sanjirops
Perverted Monster, Sanjirops (エロ怪獣・サンジロプス) was one of Dr. Usodabada's two monster lieutenants, along with Robinflowan. When he worked with Dr. Usodabada, he very rarely listened to his orders, doing what he wanted instead. However, he was motivated by women, and went to Tony-Tony Island when he was told that Chopperman was holding a bikini contest. He refuses to work with anybody who would harm or threaten women, even going so far as to ally with Chopperman when Dr. Usodabada took Namifia hostage.

Robinflowan
Flower Mystery Woman, Robiflowan (お花怪人ロビフラワン) was one of Dr. Usodabada two monster lieutentants, along with Sanjirops. When she worked with Dr. Usodabada, she never listened to his orders, to the point of leaving to go on vacation without informing him. Upon returning from her vacation, she ran into Chopperman on Eaten Up Island, and asked to join his group instantly due to his cuteness.

Giant Luffy Bomber
Robot of Mass Destruction, Giant Luffy Bomber (秘密兵器巨大ロボジャイアントルフィボンバー) is a giant robot created by Dr. Usodabada. He is 50 meters tall and was meant to be a weapon of ultimate destruction. However, there seems to be an error in his logical programming, causing him to be childish and not want to fight. He was found by Chopperman in Dr. Usodabada's laboratory and brought to Tony-Tony Island, and began helping to protect the residents.

Tony-Tony Island Residents
The residents of Tony-Tony island live under Chopperman's protection, to the point where Boodle even considered Chopperman the "true" leader of the island. They live in harmony with animals, and are at peace with nature.

Mew
Mew (ミュー) is a bear that lives on Tony-Tony Island, under the care of Auntie Monday. He was raised by Auntie Monday and her husband since he was a cub, and helps with their beekeeping.

Gen
Gen (ゲン) is a fisherman living on Tony-Tony Island. He was the first to fight Death Hatch, and is the person who called for Chopperman's help. He also helped to hold Bara Buggy's separated limbs.

Gaimonkey
Gaimonkey (ガイモンキー) is a human that living in the Tony-Tony Island. At some point in the past, he got stuck in a crate, and the animals took care of him. In return, he began living in the forest and protecting the animals, eventually becoming their leader.

Shiromarimo
Shiromarimo (シロマーリモ) is a man living on Eaten Up Island with his family. He is married to Cheko, and they have two kids together. He used to live in a big city, but wanted a break from city life and so moved to an island where him and his family could be in peace with nature. They were eventually attacked by Wapoln, but Chopperman, Zorokiller, and Sanjirops saved them.

Shiromarimo and his wife later saved Chopperman and Zorokiller from drowning, and welcomed Damaswan to live with them and protect their island.

Cheko
Cheko (チェ子) is a woman living on Eaten Up Island with her family. She is married to Shiromarimo, and they have two kids together. She used to live in a big city, but her husband wanted a break from city life, so they moved to an island where they could be in peace with nature. They were eventually attacked by Wapoln, but Chopperman, Zorokiller, and Sanjirops saved them.

Cheko and her husband later saved Chopperman and Zorokiller from drowning, and welcomed Damaswan to live with them and protect their island.

Damaswan
Transforming Monster Damaswan (変身怪人ダマスワン) is a monster originally created by Dr. Usodabada to protect the second floor of his lair. However, after witnessing the friendship of Chopperman and his team, he was motivated to switch sides, helping to fight Great Crocosaurus. He has the ability to transform into anybody he's seen, though he doesn't gain their abilities or strength. He can also fly using his swan wings. After meeting Shiromarimo and Cheko, he remained on Eaten Up Island to protect them from future threats.

Helmepolli
Lieutenant Helmeppoli (ヘルメッポリ警部補) is a lieutenant in the East Blue Police Force. He was charged with tracking down and arresting Black Brook, and he gave the location of Black Brook's rumoured hideout to Chopperman.

Dr. Usodabada
Dr. Usodabada (Dr．ウソダバダ) is an evil genius, who's attempting to take over the world. He began his attempted conquest with Tony-Tony Island, picked randomly. However, he was unable to defeat Chopperman, and so kept attempting to conquer the island. His soldiers obey him happily, but certain monsters (such as Sanjirops and Robinflowan) don't always obey.

After his defeat at Chopperman's hands, he lost his hearing. This allowed him to be immune to Black Brook's musical abilities, which in turn allowed him to fake being under his control while infiltrating his gang.

Dr. King Usodabada
Ultimate Secret Weapon, Dr. King Usodabada (最終秘密兵器Dr.キングウソダバダ) was Dr. Usodabada's ultimate weapon. It is a mech suit piloted by Dr. Usodabada himself, harnessing Black Brook's musical abilities. It is able to shoot "Ultrasound of Death" (死の超音波), a beam that turns all organic matter it touches into skeletons, as well as Zorokiller's, Sanjirops', and Robinflowan's attacks, to an even stronger degree than them. The mech suit was ultimately destroyed by Chopperman.

Dabada-gang Soldiers
The Dabada-gang (ウソダバ団) Soldiers are a number of unnamed, functionally faceless soldiers who follow Dr. Usodabada's orders. He mostly uses them for large-scale attacks against Chopperman or Zorokiller, but they are always defeated easily.

Death Hatch
Octo-Weapon Death Hatch (夕コロボ兵器 デスハッチ) was a monster created by Dr. Usodabada to take over Tony-Tony Island after Zorokiller's defection. He is a robot ressembling Hatchan, with tentacles that can transform into rotating spikes to increase his damage. He was defeated by Chopperman, forcing Dr. Usodabada to retreat. Death Hatch was abandoned in the ocean, floating with octopuses.

Bara Buggy
Red-Nosed Terror, Bara Buggy (赤鼻怪人バラバギー) was a monster created by Dr. Usodabada to take over Tony-Tony Island after Death Hatch's defeat. He has the ability to fragment his body and remotely control the parts, making him nearly impossible to defeat. However, the residents of Tony-Tony Island discovered that his head could only move so far from his body parts, and they held his separated body in place, allowing Chopperman to defeat him.

Bara Buggy later returned to Tony-Tony Island, during Dr. Usodabada's return. With his increased strength, he was able to nearly defeat Robinflowan, and was immune to Zorokiller and Sanjirops' attacks. However, he was easily defeated by Chopperman.

Enelgotton
Gorogorobot "Enelgotton" (ゴロゴロボット"エネルゴシトン") is a robot created by Dr. Usodabada as a backup measure in case of Bara Buggy's defeat. He was able to summon and control lightning at will, though he could not become it, unlike his One Piece counterpart. However, despite his immense power, he has no will of his own, and is controlled completely by Dr. Usodabada's remote controller. He nearly defeated Zorokiller and Chopperman at the same time, but Chopperman was able to destroy Enelgotton at the last second, forcing Dr. Usodabada to flee once again.

Mokmoker Z
Smoke Robot Mokmoker Z (スモークロボモクモーカーZ) was a robot created by Dr. Usodabada to guard the first floor of his lair. His strategy revolved around filling the fighting arena with smoke, then using his built-in infrared sensors to track his opponents. However, a weakness in his strategy is that if there are too many heat sources, he becomes unable to track his opponents. Sanjirops took advantage of this to confuse Mokmoker Z, allowing Zorokiller to defeat him.

Great Crocosaurus
Giant Monster Weapon Great Crocosaurus (巨大怪獣兵器 ブしートクロコザウルス) is a giant crocodile monster created by Dr. Usodabada to protect the third floor of his lair. It's so powerful that not even Dr. Usodabada can control it, and his soldiers tried to stop him from freeing it. It's jaw has a pressing force of two tons, with it's tail have a force of at least ten tons. However, it also uses it's tail to balance itself and navigate, and becomes extremely disoriented when it's cut off. He is strong enough to completely collapse Dr. Usodabada's lair, though what happened to him afterwards is unknown. He can also breath blasts of sand, seemingly enough to fill an entire room.

Tama, Nin, & Pii
Killer Robot Trio Tama, Nin, & Pii (キラーロボトリオたま・にん・ピー) is a trio of robots created by Dr. Usodabada, while he was working under Black Brook. They were designed to stall and defeat Chopperman and his friends at the ruins of Black Brook's old hideout, as well as show off Dr. Usodabada's monster-creation abilities.

Brookbird
Brookbird (巨大改造人間ブルックバード) was a giant cyborg created by Dr. Usodabada, which used Black Brook as a catalyst for its abilities. While its legs were weak, it was able to transform into a jet, and was able to shoot an "Ultrasound of Death" (死の超音波), a beam that would transform all organic matter it hit into skeletons. It also contained the Dr. King Usodabada, which could be triggered once the Brookbird was destroyed.

Warujabra
Hunter of Rare Animals, Warujabra (珍獣ハン夕ーワハジャブラ) is a wolf hunter, focusing on the rare hybrid animals that are found in the Forest of Rare Animals. He sets traps for his opponents, waiting at their only source of medecine, and doesn't hesitate to fight outside forces who get involved in his hunts. He was forced into becoming friends with Gaimonkey and the rare animals, though whether or not he stayed in the forest is unclear.

Wapoln
Gluttonous Hippo, Wapoln is a hippo who travels through the ocean, landing on random islands and eating everything he can. It's said that he can eat an entire island if he's not stopped. He attacked Shiromarimo and Cheko's island, but was stopped by Chopperman, Zorokiller, and Sanjirops.

Spanda
Robot Collector Spanda (ロボコレク夕ースパンダ) is a fanatic robot collector. He flies around the East Blue, taking robots and leaving behind briefcases of money. He attempted to steal Giant Luffy Bomber from Tony-Tony Island, but was stopped by Chopperman.

Black Brook
Gangster Musician Black Brook (ギャング音楽家ブラックブルック) is a high-profile criminal in the East Blue. His music can brainwash those who hear it, as well as force people who lie to him into a near-vegetative state. He uses this power to steal money, and has succeeded in becoming extremely rich, to the point where Dr. Usodabada considered his wealth enough to create the ultimate weapon. At some point in the past, he seemingly lost to the East Blue police force and was executed, but had actually faked his death.

He was searching for the "Cross Power" (〝クロスパワー〟), planning to use it to take over the world. It would allow him to project his music directly into people's minds, bypassing his only weakness. However, he could not fulfill it's activation conditions.

Trivia

 * Non-antagonist characters will usually make their first (and generally only) appearance in chapters with a villain from their respective arc.
 * Genzo and Nako first appeared in Chapter 3, when Death Hatch was the villain
 * Boodle and Chouchou first appeared in Chapter 4, when Bara Buggy was the villain
 * Pagaya and Aisa first appeared in Chapter 5, when Enelgositon was the villain
 * Shiromarimo and Cheko first appeared in Chapter 9, when Wapoln was the villain
 * Cheko is the only character for which a substantial, non-comedic aspect was changed from their main counterpart
 * Unlike in Chopperman for the New World and Chopperman: Go Go! Everyone's Chopper-sensei, Sanjirops doesn't switch sides upon seeing Namifia. Instead, he switches sides after Dr. Usodabada kidnaps her, refusing to work with somebody who would threaten a woman
 * While Robinflowan still switched sides because of Chopperman's cuteness, she hadn't been hit with the Kyuun Spark, and instead switched after simply seeing him for the first time
 * Every member of the Straw Hat Pirates is represented except Franky
 * Tama, Nin, & Pii are the only non-Straw Hat antagonists in Chopperman who were't also antagonists in the main series

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Chopperman (Manga Spin-Off)