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Characters / Arachnid Caterpillar Assassins

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Character Index | Main Characters: Arachnid, Caterpillar, Blattodea | Organization "Bugs": Recurring, Exclusive to Arachnid, Exclusive to Caterpillar | Other Characters

The bug-themed psychos who oppose Imomushi in Caterpillar, a spinoff to Arachnid.
Currently under construction.

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Firefly (ホタルガ; Hotaruga)

Imomushi's partner who gives intel for her, until she betrays Imomushi for a reward given by Ageha.



A former UN soldier who became a wanted man after mindlessly slaughtering american troops in the Middle East. While hiding in southeast Asia, he found an orphaned baby in Burma and raised her as his daughter. Years later, Paraponera worked under Ageha's orders to murder Imomushi, but got killed by her at some point.
  • Acrofatic: Extremely agile despite his fatass build.
  • An Arm and a Leg: Lost his left arm to a grenade's explosion while fighting Imomushi.
  • Animal Motifs: Paraponera ants, also known as Bullet Ants. Their stings have a reputation for being able to inflict one of the worst pains in the world.
  • Arm Cannon: While trying to free himself from Kumo's noose, Paraponera swings over to a crate and shoves his artificial blade-arm on it. Inexplicably, it gets neatly attached to a minigun.
  • Ax-Crazy: After his initial defeat, Paraponera becomes much more unhinged and savage.
  • Badass and Child Duo: Used to have a little girl helping out with his killing sprees.
  • Badass in a Nice Suit: Dresses sharply for the battles in the Ageha ship.
  • Badass Normal: He has no unusual powers.
  • Bald of Evil: Balding and evil, alright.
  • Blade Below the Shoulder: Paraponera wears his gauntlets with poisoned elbow stingers more discreetly than his daughter, and since Imomushi is immune to poison, he ends up not using them much on-screen. His lost left arm then gets replaced with a launchable blade.
  • Blood Knight: Only cares about fighting and murdering people.
  • The Corrupter: He naturally made Dinoponera into a remorseless murderer, but he seems to have raised and treated her surprisingly well despite how much of a despicable person he is. He even named her Setsuna after a character she likes.
  • The Determinator: His defining quality as an assassin, as he fights on no matter the circumstances and actually would have killed Imomushi if he didn't abruptly pass away on the spot.
  • Died Standing Up: He defeats Imomushi and is about to shoot her to death, but then suddenly passes away from his injuries. The gun then goes off while she is walking away, but luckily Paraponera's still dead and pointing at the opposite direction. This also was his fate in the pilot for the manga.
  • The Dragon: Presented as one to Ageha early on, but it turns out there's another assassin ranked above him.
  • The Dreaded: Kumo and others from the Organization acknowledged him as the strongest killer in the world.
  • Even Evil Has Loved Ones: It is left ambiguous if he really cared for Dinoponera and Caterpillar never touches the subject from his perspective at all.
  • Eye Scream: The grenade Imomushi bounced back at him took his left eye, too.
  • Fair-Weather Mentor: He wouldn't help Dinoponera if she couldn't keep up with him.
  • Fat Bastard: Pretty much.
  • Final Boss: The last opponent Imomushi faces in the Death Caterpillar game.
  • Gonk: A case of Depending on the Artist. The Arachnid illustrator doesn't portray him that badly, but the two prequel illustrators draw him just plain fugly.
  • The Gulf War: Paraponera went into hiding on Thailand after fighting on the second Gulf War.
  • Guns Are Worthless: Bullet Ant here is very skilled with firearms, but for what? The guy gets a minigun out of nowhere and unloads it on Kumo, but the bullets bounce off Kumo's magical string armor and he's merely knocked on his ass. Once Imomushi comes along, stormtrooperisms ensue. When he finally gets her on gunpoint for real, his body fails him and he dies on the spot. His corpse only pulls the trigger several seconds after Imomushi stands up and leaves.
  • Hoist by His Own Petard: Imomushi shoots a grenade back at Paraponera, then finishes him by hitting his forehead with a throwing knife he had used to stab her leg.
  • Lack of Empathy: Paraponera only used people to satisfy his thrist for battle. However, he did somehow raise a daughter.
  • Made of Iron: Is left terribly wounded floating on a river with a knife stuck on his head. Comes back with a vengeance later.
  • Make Me Wanna Shout: Can stun people by screaming at them, which the narrator compares to ants stridulating.
  • Not Quite Dead: He recovered from his first battle against Imomushi and has been watching her fight inside the Ageha group's ship.
  • One-Man Army: Took on battlefields on his own, and was in fact a bad team player. Even Dinoponera could only barely follow him from behind and never quite understood how he was able to always predict the trajectory of bullets despite having no superpowers.
  • Parental Substitute: Found a baby Dinoponera under her dead mother and raised her.
  • Pet the Dog: So far, his relationship with Dinoponera is mostly portrayed in a positive light. It is shown he didn't mind her being a fan of animes, as he named her Setsuna after a Sailor-Force character and rather morbidly gave a Moon Scepter toy to her that belonged to some kid of a family they were hired to murder.
  • Poisoned Weapons: Has blades with bullet ant venom on them. This ant's venom usually can't kill humans, but it does cause some of the most intense, searing pain ever known and it lasts for several hours while the victim suffers from side effects such as fever and nausea.
  • Posthumous Character: Imomushi killed him at the end of the Death Caterpillar battle royale, but during the events of Arachnid other characters eleborate on how tough he was in his prime and Dinoponera reminisces about her childhood under his care.
  • Rape Is a Special Kind of Evil: He's introduced raping a woman he was sent to kill, only stopping because Imomushi kills her instead.
  • Sabotutor: He was a terrible teacher to Dinoponera. His way of training the little ant was just handing her a gun and expecting her to imitate what he did, not coming to her aid if she couldn't keep up. It is implied he just abandoned her when she didn't perform up to his expectations.
  • Starter Villain: He is Imomushi's first noteworthy enemy in Caterpillar, and one much more danguerous than how Kamakiri was to Alice.
  • World's Best Warrior: Very feared by his peers, though the prequel shows he was actually ranked 2 amongst them, with Osamushi being the first.
  • Worthy Opponent: Considered Imomushi this after his first defeat to her.

    Dead Leaf Moth/Murasakishachihoko 

Dead Leaf Moth (Murasakishachihoko)

A master of disguise who is the first enemy to encounter Hanakamakiri on the ship.


Weevil (Zomushi)

An insane armored guy.
  • Animal Motifs: Weevil beetles.
  • Disney Villain Death: Riock punches him out of the Ageha ship.
  • Monster of the Week: Gets close to killing Hanakamakiri, but is quickly taken down by Riock.
  • No-Sell: Zomushi's armor greatly protects him from damage, and he can close it over his face, too... but it doesn't matter when Riock just punches him into the sea.
  • Slasher Smile: His default expression.
  • Troubling Unchildlike Behavior: As a child he loved to rip stuffed toys apart and that led to a bizarre obsession with becoming a fully armored and muscular man so everyone else would be soft by comparison.
  • Would Hurt a Child: He tries to suffocate and rip Hanakamakiri apart.


    Stick Insect/Nanafushi 

Stick Insect (Nanafushi)

A machine gun-toting girl who can make people subconsciously ignore her presence.


Planthopper (Unka)
An old man with cybernetic legs who encounters Imomushi.
  • An Arm and a Leg: Lost his legs due to a land mine mishap while going after Paraponera in the battlefield.
  • Animal Motifs: Young Leafhoppers have a gear-like mechanism in their legs that lock together to ensure they'll both move with precise synchronization, allowing them to jump 100 times their length. Rather ironic that an old man is using this ability to replace lost limbs, as leafhoppers lose it when they mature into their adult form.
  • Artificial Limbs: Got mechanical replacements after losing his legs to an explosion.
  • Evil Old Folks: An old and antagonistical soldier.
  • Flash Step: In his case, it is flash jumping.
  • Monster of the Week: Ok, the gears on leafhoppers are cool. Next.
  • Old Soldier: A retired soldier who's now a cyborg assassin.
  • Use Your Head: His bionic legs allow him to launch himself and perform powerful headbutts.
  • What Happened to the Mouse?: Isn't shown escaping from the ship at the end but isn't shown dead either.

    Former Rhinoceros Beetle/Kabutomushi 
The former director of the Pomario orphanage. For his successor, see the Main Characters page.
  • Animal Motifs: Rhinoceros/Hercules beetles.
  • Casualty in the Ring: He accidentally killed an opponent in a match once, and retired because he thought it was the will of God for him to kill more people with his skills. Incidentally, a minor character in Killing Bites has nearly the same backstory.
  • Double Weapon: Owned the Heracles Horn, a large double-bladed sword based on the Alligator the protagonist of Jackals wielded.
  • No Name Given: Averted as his real name is Otani Hercules.
  • Would Hurt a Child: Little Kabuto-girl thought of him as a father figure until she found her only friend gruesomely killed by him because he felt she was too weak.

    Bark Mantis/Kinohadakamakiri 

Bark Mantis (キノハダカマキリ; Kinohadakamakiri)

Hanakamakiri's former master.
  • Animal Motifs: Bark mantises. Their coloration enables them to hide on tree trunks.
  • Badass Teacher: Was the one who taught the mantis fighting style to Hanakamakiri.
  • Character Tic: He rates everything everyone around him does, including himself when he screws up.
  • Control Freak: Because he couldn't relate to others he sought to control Hanakamakiri and turn her into his mini-me.
  • The Corrupter: He hoped for Hanakamakiri to turn into a sadistic assassin. When Hanakamakiri claims she'd like to turn Imomushi into a limbless sex slave, Kinohadakamakiri is pleasantly surprised by how she can even consider that, even thought it's an obvious lie.
  • Dude Looks Like a Lady: Has very delicate looks, but unlike Hanakamakiri he is immediately recognized as a man.
  • Elegant Gothic Lolita: Dresses in this fashion.
  • Eyepatch of Power: Wears one over his right thanks to Hanakamakiri stabbing his eye after graduation. And it just so happens that he's friends with a big-breasted lady, like Sara and Kuramoto from the main story.
  • Graceful Loser: When Hanakamakiri fights him to a standstill.
  • Hammerspace: Where he presumably pulls his scythes out of.
  • Heel–Face Turn: After taking a beating from his former student, Kinohadakamakiri hands over his envelope and decides to help her along.
  • I Have You Now, My Pretty: At one point he grabs Hanakamakiri from behind and starts licking her neck. His backstory shows Kinohadakamakiri treated the girl like this as soon as he got her as a student.
  • Impaled with Extreme Prejudice: Gets badly wounded by Paraponera's launchable arm blade.
  • Kicking Ass in All Her Finery: A male example.
  • Nice Hat
  • No-Sell: Successfully blocks a massive Spam Attack from Hanakamakiri.
  • Rape Is a Special Kind of Evil: Regularly raped Hanakamakiri while training him, and is awfully proud of that. It is shown this is a running thing among the mantis assassins, as his own master is also a mad rapist.
  • Sinister Scythe: Wields a dark blue pair like the ones used by the other mantis people.
  • Training from Hell: Subjected Hanakamakiri to harsh training which just happened to involve regularly shoving a gordian worm-like device up her ass.
  • White Hair, Black Heart
  • The Worf Effect: He's the first one to take on Paraponera inside Ageha's ship. This predictably doesn't go too well for him.
  • You Are Already Dead: He makes blades suddenly pop out of people, but no damage is done for a set amount of time. He even calls the trope by name.

    Fig Wasp/Ichijikukobachi 

Fig Wasp (イチジクコバチ; Ichijikukobachi)
A pupil of Kinohadakamakiri who fights Riock while he goes after Hanakamakiri.


    Stag Beetles/Kuwagata 

Stag Beetles (クワガタ; Kuwagata)
Dorcus in Himekuwagata mode (top) and her cronies.
A group of four stag beetle people who hold a nasty grudge against their former teacher Kabutomushi.

Tropes that apply for all of them:

  • Animal Motifs: Kabutomushi has taken a wrong turn into the Lucanidae neighborhood.
    • The little girl is a Dorcus rectus beetle (aka "princess dorcus/himekuwagata") who turns into a Dorcus curvidens (Kurubidensu Ookuwagata) and a Dorcus titanus (Hiratakuwagata) by aging back and forth at will.
    • The guy with the Cool Shades is a Lucanus maculifemoratus (Miyamakuwagata, "miyama stag beetle").
    • The red-headed girl is a Prosopocoilus inclinatus (Nokogirikuwagata, "sawtooth stag beetle").
    • The bald guy is an Aegus laevicollis.
  • Blade Below the Shoulder: Not blades, but blunt weapons shaped like various kinds of stag beetle mandibles instead.
  • Calling the Old Man Out: Dorcus wants to prove herself to Kabutomushi and avenge her fellow students who died under Kabuto's care. Miyamakuwagata is a selfish guy who wants to get back at Kabutomushi for how she humiliated him with her supernatural strength. The other two, then... what other two?
  • Curb-Stomp Battle: When Himekuwagata gets walloped into the sea, the other three take their chances at fighting Kabutomushi. Each one then gets shoved aside with increasingly less effort from her. Aegus even goes down without doing anything!
  • Dark Action Girl: The three Dorcus girls and Prosopocoilus.
  • Hoist by His Own Petard:
    • Miyamakuwagata holds Kabutomushi and flips around smashing her head on the ground until she pushes his face over hers and he gets hit instead.
    • Dorcus curvidens attempts to throw Kabutomushi over herself, but Kabuto lands on her and starts choking her.
  • Monster of the Week: Only Dorcus seems to become anything of a threat to Kabutomushi once she swims back to the ship and gets serious.
  • Quirky Miniboss Squad: It was taking quite a while for Kabuto to have a stag opponent, so how about four at once? They're a group formed by a little girl who piggybacks on a tough man who wears shades, a girl with Peek-a-Bangs and shark teeth and a practically spherical fat bald dude who's always grinning.
  • Signature Laugh: Each one has a unique laugh, written in different fonts.
  • Stripperiffic: Aegus only has underwear on. And then there's Titanus and her Chainmail Bikini that comes out of nowhere.

Tropes for Himekuwagata and her sisters:

  • An Arm and a Leg: Kabutomushi eventually catches Dorcus off-guard with the scissor function of the Hercules Horn and chops her right leg off.
  • Ax-Crazy: Hiratakuwagata goes loose while trying to kill Kabutomushi. In comparison, her child self is bratty and her teen self is more level-headed.
  • Boobs of Steel: Hiratakuwagata has a chest as large as Ichijikukobachi's and the strength to match them.
  • Chainmail Bikini: When the dorcus girl turns into a curvy woman, her school uniform is torn apart to reveal she was wearing a Stripperiffic BDSM armor of straps. Even though the previous chapters suggested she had no underwear on.
  • Combat Pragmatist: Himekuwagata' visible left arm is actually fake and serves to hide that she's holding a gun in her real left hand.
  • Creepy Child: She is the leader of the quartet and does all the talking, fancying herself a pro assassin. Then she goes and transforms into an adult.
  • Cute But Psycho: Himekuwagata is a cute, smug and violent kid; Ookuwagata is an Affably Evil teen and Hiratakuwagata is a curvy and unhinged woman.
  • Disney Villain Death: Subverted, as Himekuwagata gets smacked by Kabutomushi into the sea (Kabutomushi's overall score: 5) but survives and makes a comeback.
  • Foil: Besides being the giant stag to Kabutomushi's rhino beetle, the dorcus girl has an ability related to her age and sidekicks who hardly do anything but look stupid in the background. There are also thematic parallels with Dinoponera, as detailed below.
  • Graceful Loser: After losing a leg to Kabutomushi, who doesn't want to kill her, Hiratakuwagata gets mad and tries to stand back up, only for her own arm to grab herself by the head and smash it on the ground. Ookuwagata takes over and calmly admits defeat while explaining what's going on elsewhere in the ship.
  • Guns Are Worthless: Himekuwagata shoots Kabutomushi down at one point, but Kabutomushi has armored organs and doesn't get hurt much. When she tries to shoot her again Kabutomushi just counters and launches her into the sky.
  • Hellish Pupils: Bright slits on the dorcus girl's pupils. In her adult form, little spikes come out of her irises.
  • Huge Guy, Tiny Girl: She starts as a little girl who first appears sitting on top of a burly man.
  • Kick Them While They're Down: Hiratakuwagata kicks Kabutomushi several times at one point, only stopping when Lucanus calls her to hand over her weapons.
  • Metronomic Man Mashing: Ookuwagata swings the Kabuto Horn with Kabutomushi on the other end and slams her to the floor, almost crushing Gokiburi at the same time.
  • Ms. Fanservice: When Dorcus grows into her voluptuous titanus form and rips her clothes off, no points for guessing how that is portrayed. She has a Fan Disservice aspect to her, though, since not only Dorcus was a kid with no underwear (as implied by several obscured upskirt shots) just a few minutes before, that child self is still conscious on her head.
  • Overnight Age-Up: The reason Himekuwagata wears oversized clothes is because she can force her body to grow when she is in danger and needs more power. Her teen and adult forms turn out to have split personalities of their own.
  • Painful Transformation: When Himekuwagata transforms into a teen or an adult, she suffers from severe convulsions.
  • Pint-Sized Powerhouse: Even as a little girl, Dorcus is strong enough to lift Kabutomushi with one arm.
  • Red Eyes, Take Warning: Hiratakuwagata has bright red eyes.
  • Reused Character Design: An odd case where the character in question is from the same story. Ookuwagata is essentially a Palette Swap of Dinoponera with similar mannerisms, as if to highlight the themetic parallels between Kabutomushi's fight against the stags and the one against Dinoponera in Arachnid. Hiratakuwagata even is incapacitated from losing a leg much like Dinoponera loses from getting forced to stab her own leg, with the implication that maybe Kabutomushi could've killed Dinoponera if she had brought Hercules Horn with her to the Arachnid Hunt.
  • Self-Made Orphan: Himekuwagata killed her Abusive Parents by crushing their heads into paste.
  • Split Personality: Dorcus' transforming body is shown to be a bizarre condition caused by split personalities, with two of them assisting the dominant one from inside her mind. They consider each other sisters.
  • Tattooed Crook: Hiratakuwagata has a upside down cross tattoo over her chest and a broken heart under her navel, bordering on the Intimate Marks trope.
  • You Killed My Father: Himekuwagata loathes Kabutomushi for killing her sister, which Kabuto doesn't even remember doing. Turns out this "sister" is really one of her two split personalities who went dormant after making a deal with Kabutomushi years before.

Tropes for the other three stags:

  • Butt-Monkey: Much like Oki in this spinoff, Miyamakuwagata, Prosopocoilus and Aegus just kind of stand quietly to the side making funny faces while Dorcus and Kabutomushi fight. When they do attack the rhino beetle, only Miyamakuwagata does any semblance of damage to her.
  • Charles Atlas Superpower: Miyamakuwagata was born with a condition that made his muscles hyper developed and became a major bully over the years, but his pride was crushed once match stick cyborg Kabutomushi began humiliating him at Pomario. He dedicates himself to surpass her since then.
  • Flat Character: Prosopocoilus and Aegus get next to no characterization and their attempts to beat up Kabutomushi are so lackluster it's hard to believe they're her graduates.
  • Satellite Character: The Dorcus gals are the only ones out of those people who matter. Miyamakuwagata does at least get a backstory, but the other two don't even get that.
  • Scary Teeth: Prosopocoilus has sawtooth teeth.

    Green Tree Ants/Tsumugiari 

Green Tree Ants (ツムギアリ; Tsumugiari)

A trio of ant boys engineered from Kabutomushi's DNA who help mad doctor Jigabachi capture Imomushi.
They want to play doctor with her...
  • Animal Motifs: Green Tree/Weaver ants, which are known for their gripping abilities.
  • Creepy Child: It doesn't take long for them to creep out Imomushi with their... curiosity. They take off what little clothes she's wearing when Jigabachi paralyses her and begin happily groping her until they get into an argument and begin throwing each other around instead.
  • Hoist by His Own Petard: They later try to harass Gokiburi. While she does reluctantly show off her body to the boys, she also takes nude pictures of them and blackmails the triplets into carrying Kabutomushi's secret weapon for her.
  • Made of Iron: For disrespecting her personal space so much, Imomushi hits them hard enough to cause shockwaves over the surrounding rooms. The kids just comically run away crying while holding their aching heads.
  • Monster of the Week: Jigabachi and them only managed to be a minor setback for Imomushi.
  • Pint-Sized Powerhouse: The triplets play catch by throwing Imomushi. They have amazing grip strength thanks to a device on their hands, but their power level in general is just unnatural as they seem to have been cloned from Kabutomushi.

    Bed Bug/Nankinmushi 

Bed Bug (ナンキンムシ; Nankinmushi), alias Kyoko Minami

A prostitute who works for the Organization. Imomushi asks her to take Hanakamakiri's virginity before they go on their mission on the Ageha cruise ship, but...
  • Attempted Rape: An annoyed Hanakamakiri asks that Kyoko gives him only the massage services so she wouldn't have come for nothing, but Kyoko gets him drowsy with pleasure and forces herself on him anyway.
  • Bit Character: Only appears on a single gag Breather Episode.
  • Blooper: Chapter 64 starts with her naked while trying to fuck Hanakamakiri. Once we see How We Got Here she suddenly has underwear on, which is especially odd given how otherwise the story was published in a seinen magazine and had no problem with showing topless scenes with other female characters either before and after this.
  • Epic Fail: Imomushi got scared of Hanakamakiri's equipment when she tried to have sex with him, so she asks Kyoko to do it instead. Kyoko boasts about her erotic techniques as a bed bug, which turn out to just be trying to dunk a onahole on the boy rather than proper intercourse. A flabbergasted Imomushi catches her on the act and makes her stop. This, of course, correlates to how bed bugs of both sexes have fake genitalia to deal with traumatic insemination from males.
  • Exotic Eye Designs: Her eyes have lines that form a rhombus pattern.

    Velvet Worm/Kagimushi 

Velvet Worm, Shoichiro Iwamine (カギムシ, Kagimushi; 岩峰正一郎; Iwamine Shoichiro)

The author of the Kahen Rider series who turns out to be Imomushi's master.
  • Almighty Janitor: He's a cartoonist — this setting's Ishinomori, in fact, who's a powerful martial artist and assassin.
  • Animal Motifs: Velvet worms, which aren't insects but do descend from a common ancestor. And crickets as well.
  • Badass Teacher: Likely the only one in either story who didn't act like a total jerkass to his pupil.
  • Chekhov's Gunman: He first appears as a Mr. Exposition in one of the episodic bug fun fact scenes, lecturing the reader about crickets.
  • Cool Old Guy: He's the Kamen Rider mangaka as a kickass assassin with Cool Shades.
  • Megaton Punch: Pretends to do one on Bokugehamushi, stopping just short of her face. The huge shockwave from the move plus the fear factor still incapacitates her by causing a Power Incontinence. He later performs one that hits harder than Osamushi's own 100000 horsepower steel arm.
  • No-Sell: Like Imomushi, he can let blunt force flow evenly through his body in such a way that all damage winds up on the floor he stands on.
  • No Celebrities Were Harmed: Based on Shotaro Ishinomori.
  • Scarf Of Asskicking: Scarves are associated with Kamen Rider, after all.

    Leaf Beetle/Bokugehamushi 

Leaf Beetle (卜ゲハムシ; Bokugehamushi)

    Ground Beetle/Osamushi 

Ground Beetle (オサムシ; Osamushi)

The mysterious 1st ranker of the Organization, and Shoichiro old missing teacher.
  • Action Bomb: His death causes a nuclear explosion that kills all the guests in the ship.
  • Almighty Janitor: Imagine a world where Osamu Tezuka, the God of Manga, was secretly a killer for hire.
  • Animal Motifs: The Carabinae subfamily of beetles, which happens to feature a Calosoma genus that preys on caterpillars...
    • Aside: His Astro Boy character also had a stag beetle bug motif. Because of course it did.
  • Expy: Resembles Black Jack.
  • Kick the Dog: Stabs Bokugehamushi just to piss Shoichiro off.
  • I Love Nuclear Power: He's nuclear-powered.
  • Luckily, My Shield Will Protect Me: An example of a fool is about to punch you in the face? Turn your arm into a shield to avert it. Continuing the bug theme, the shield has a fancy stag beetle coat of arms on it.
  • No Celebrities Were Harmed: If Shoichiro is Shotaro Ishinomori, then this guy is Osamu Tezuka. Although he looks quite different from how Tezuka portrayed himself in comics he does at least wear the characteristic beret hat.
  • Older Than He Looks: Currently looks younger than Shoichiro for some reason.
  • Punny Name: Osamushi. Ha.
  • Real Men Wear Pink: He's a powerful bishonen with pink hair who first appears after having sex with Ageha.
  • Red Right Hand: Has a scar that goes over his forehead from the right and curves towards his left cheek. He also has a shapeshifting right arm.
  • Shapeshifter Weapon: His right arm, named Atomic Fist (one reading of Astro Boy's original name is Iron Arm Atom), can morph into various weapons according to the wielder's imagination and has considerable range. It can even melt and spread over the floor for surprise attacks.
  • World's Best Warrior: Is said to have killed more people than anyone else in the whole damn Organization.

    Swallowtail Butterfly/Ageha (Unmarked Spoilers) 

Swallowtail Butterfly, Akiho Yanagi (Ageha, Yanagi Akiho)

The director of an orphanage Imomushi and her sister lived in. Has become the leader of a shadowy group who's baiting Imomushi into a Carnival of Killers for their own entertainment.
  • Absolute Cleavage
  • Animal Motifs: Swallowtail butterflies.
  • The Baroness: A gorgeous sadist in nazi-style dominatrix clothing.
  • Big Bad: Of the Caterpillar storyline.
  • Bondage Is Bad: Forced a little girl to be her sex slave for 5 years.
  • Commissar Cap: Wears one as part of her nazi imagery.
  • Dead All Along: The real Akiho got her head crushed into paste by Imomushi.
  • Dying as Yourself: It is revealed Imomushi actually brutally killed Akiho when she found Mika was being abused to near-death. Mika was later revived and was made to replace Akiho, whom Mika had already started to act like out of madness. When the two sisters meet, Imomushi does all she can to reason with her, only for Paraponera to fatally injure Mika. Only when Mika is about to die do they make peace.
  • Orcus on His Throne: Just watches the ongoing battles from a ballroom along with her attendants.
  • Psycho Lesbian: Her deal as a psycho dominatrix is reminiscent of the Army Ant Queen from the main story, but Ageha has no understandable Freudian Excuse for why she's so warped.
  • Putting on the Reich: Akiho dresses in a nazi uniform with swastikas and all. Chapter 44 even has her doing the pose from the cover of Ilsa, She Wolf of the SS. This is censored on the volume releases, though.
  • Rape Is a Special Kind of Evil: Blackmailed a young girl into becoming a sex slave to her and her mooks for kicks until they ended up killing her. And Ageha pretty much is only still after Imomushi just for revenge about having her fun ruined back then. Mika, on the other hand, wants Imomushi violated and killed because she snapped from all the abuse she suffered and feels it was all wasted because Imomushi turned into an assassin.
  • Sinister Surveillance: Watches Imomushi getting hounded by assassins from a secret ballroom.
  • Split Personality: Because Mika starts believing herself to be Akiho, her body transforms to look like Akiho.
  • Walking Spoiler: The current Akiho is really Imomushi's sister Mika who went crazy from despair and is suffering from a bizarre shapeshifting condition.


How well does it match the trope?

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