Characters from Kaiten Mutenmaru.
open/close all folders
Mutenmaru's Group
General
Mutenmaru
Debut: Chapter 1
The main protagonist of the entire series. His name derives from the Japanese word for "additive‐free food".- All-Loving Hero: According to Father Brasse, Mutenmaru fights to protect allies and enemies alike.
- Big Ol' Eyebrows: He has thicker eyebrows than most of the other characters.
Kurakichi
Debut: Chapter 1
A living granary capable of transforming into a Kura Sushi restaurant. Kurara
Debut: Chapter 2
Mutenmaru's childhood friend.Season 2
Kura Shishi no Mikoto
Debut: Chapter 86
A fiery lion spirit sealed in one of the cards belonging to Mutenmaru's father. He becomes Mutenmaru's partner when the boy finds his card.- Playing with Fire: He gives Mutenmaru's katana fire powers by possessing it.
Umimi Shira
Debut: Chapter 86
The princess of the merfolk who's dreamed of adventuring because of her lifelong confinement at the hands of her well-intentioned father, King Ocean. Her singing has magical powers, including the ability to heal injuries. Her name derives from the Japanese words for "sea" and "mahi-mahi".- Apparently Human Merfolk: She has the ability to switch between a fish's tail and human legs.
- Beautiful Singing Voice: Umimi is a sheltered mermaid princess whose singing voice has magic properties, such as the ability to heal wounds. Mutenmaru mistakes her for an angel upon meeting her and hearing her voice.
- Foreshadowing: She tells Mutenmaru that she wants to be free like a bird flying in the sky. Her corrupted form as Sissela Siren has wings in place of arms and is obsessed with freedom at the expense of other people.
- Friendless Background: She had no friends because of her lifelong confinement until she met the Isle Whale.
- Girl in the Tower: King Ocean locked her away in the strongest tower of her home since her infancy to protect her from the likes of Sick, who almost abducted her for her strong potential.
- I Just Want to Be Badass: Sick corrupts her at her lowest into Sissela by taking advantage of her desire for strength.
- Really Royalty Reveal: The Tritons reveal her to be King Ocean's daughter.
- Sirens Are Mermaids: Umimi is a mermaid whose singing voice is described as angelic. City of Radiance reveals that as the princess of the merfolk, she can also sing the Songs of Healing and Destruction.
- Tyke-Bomb: King Ocean ordered her lifelong confinement because Sick almost abducted her in infancy to utilize her great powers as a mermaid princess.
Tear Crown
Debut: Chapter 92
A female water spirit sealed in one of the cards belonging to Mutenmaru's father. She becomes Umimi's partner after the mermaid's song awakens her. Siam Merluza
Debut: Chapter 86
A simple-minded Cat Girl who loves freedom and fighting the strong. She's the leader of the Cat Thieves.- Blood Knight: Her favorite things include fighting the strong, which is why she joins Mutenmaru's group on a quest to rid the world of monsters empowered by the Abominable Crystal.
- Cat Girl: She looks human but with the ears, pupils, claws and tail of a cat.
- Cleavage Window:
- Her Qipao in the Casino arc of Journey of Light has a diamond-shaped window exposing her cleavage.
- Her outfit in the Whitoy Town arc of Wonderland exposes the top half of her chest.
- Facial Markings: She has red markings around her eyes.
- Playing with Fire: She uses fire-based attacks.
- Sexy Cat Person: She's a curvaceous Cat Girl who dresses skimpily.
Shinobu Kajika
Debut: Chapter 86
An orphan and a ninja-themed aspiring hero who was raised by Father Brasse and Sister Meer in their church. Greenbear Salmon
Debut: Chapter 86 (partial appearance), Chapter 103 (full appearance)
A magical young bear capable of human speech. His personality changes depending on the outfit. Tetsujin Granchio
Debut: Chapter 86 (partial appearance), Chapter 110 (full appearance)
A robot chef working at the restaurant Corale in the town of Europia. Once a soldier called Tetsujin Unit Number 1, he's grown beyond his programming thanks to a blind old woman who mistook him for her son Granchio and taught him humanity.Tsubukante's Faction
Tsubukante
Debut: Chapter 3 (partial appearance), Chapter 4 (full appearance)
The main villain of Season 1. His name is an anagram of the Japanese word for "additive".- Wouldn't Hit a Girl: When Kurara demands Mutenmaru back, Tsubukante says that he won't hit a girl.
Sick's Faction
Sick Valachlorophenol
Debut: Chapter 86
The main villain of Season 2. A mysterious man who spreads the Abominable Crystal to turn people into monsters. His surname derives from the combination of Valac, a demon from the Ars Goetia, and Parachloro-phenol.- Alliterative Name: Sick Solitude.
- Classy Cravat: He wears a simple cravat that his feathers conceal until he assumes his human disguise. He wore a different cravat as a child to emphasize his noble birth.
- The Corrupter: He corrupts Umimi at her lowest into the monster Sissela by taking advantage of her desire for freedom and strength.
- Died Happily Ever After: Purified by Mutenmaru, Sick returns to his human self as he reunites with Anne in the afterlife.
- Family Theme Naming: Sick has neglectful parents in Pain and Yamai Solitude, the latter of whose name means "illness" in Japanese.
- Hellish Pupils: He has rectangular pupils in his human disguise.
- I Just Want to Be Free: In the past, he wanted to be free like a bird flying in the sky.
- Locked Out of the Loop: As a child, he was kept ignorant about the tyranny of his parents over Throne and how it displeased the townspeople. This contributed to the tragedy that would befall him.
- Lonely Rich Kid: Sick had neglectful parents in Pain and Yamai Solitude, the aristocratic tyrants of Throne, and only one friend in Anne, a kind-hearted commoner his age.
- Names to Run Away from Really Fast: Sick Valachlorophenol is the main villain of the second season. The official Twitter account confirms
that his surname partly derives from Valac, a demon from the Ars Goetia. - Rescue Introduction: Chapter 160 reveals that Sick met Eryth and Ritol when rescuing them from adults.
- Sins of Our Fathers: As a human, Sick had nothing to do with the tyranny of his aristocratic parents over the town of Throne. However, the poverty-ridden rebels didn't care and still targeted him during their burning and loot of his entire house, even killing his commoner girlfriend for getting in their way beforehand.
- Sole Survivor: He was the only survivor of the Solitude family after the rebels killed his transformed parents for their decadence and tyranny.
- Technicolor Eyes: His human disguise has green scleras and yellow irises.
- Tragic Villain: His soliloquy in Chapter 163 reveals that as much as he knew his actions would only make Anne sad, he could not stop himself from going mad with hatred.
- Uptown Girl: Gender inverted. Sick was a young aristocratic boy in love with Anne, a kind-hearted commoner his age.
- Was Once a Man: He used to be an ordinary human boy before turning into a monster out of despair.
- White Sheep: As a child, he was the only decent and sane member of the Solitude family, unaware that his parents were decadent tyrants.
- Wistful Amnesia: He seems to only remember about his human life that he found an Abominable Crystal as a child when he had everything taken away. That doesn't stop him from going berserk whenever Mutenmaru mentions Anne and, as stated on Twitter, whenever he reads about his past in the webcomic. If his soliloquy in Chapter 163 is any indication, though, part of him do remember Anne enough to know his actions would only make her sad.
- Would Hit a Girl: He beat Anne when his butler caught them on a date. He's apologetic about having to hide their relationship that way, though.
Eryth and Ritol Morte
Debut: Chapter 86
A pair of sisters that accompanies Sick.- Always Identical Twins: The Manga Goccha extra illustration of Chapter 160 reveals that they have the same birthday, all but confirming them as identical twin sisters.
- Amazing Technicolor Population: They have pale blue skin, which had a natural light tone when they were children.
- Character Tics: Eryth tends to show her teeth and Ritol to place her hand in front of her mouth as part of their Identical Twin ID Tag.
- Emergency Transformation: Chapter 160 implies that Sick turned Ritol into a monster to cure her terminal illness.
- Identical Twin ID Tag: They're identical except for facial expressions, hairstyles, the color of their clothing, the shape of their horns and wings, Character Tics, and weapons of choice. The Manga Goccha extra illustration of Chapter 160 reveals that they have the same birthday, all but confirming them as identical twin sisters.
- Morphic Resonance: They always keep their hairstyles and the colors of their clothing no matter what form they take.
- Signature Headgear: Eryth wears cross-shaped hairpins and Ritol frilly headband as part of their Identical Twin I Dtag.
- Sinister Scythe: Eryth wields a large red scythe.
- Theme Twin Naming: They are identical twin sisters named after the chemical compound erythritol.
- Winged Humanoid: They have wings, Eryth's bat-like and Ritol's feathered, behind their waists as monsters.
Jagan Taurvi
Debut: Chapter 110
A powerful monster with the personality of a playful child. Astar Tame
Debut: Chapter 110
Tetsujin's war comrade turned foe.- Chekhov's Gunman: Astar is introduced as Tetsujin's comrade who mocked the latter's dream to become a chef. Several chapters later, he's revealed to have been hired by Sick.
Trishna Nolamine
Debut: Chapter 116
Astar's companion.- All There in the Manual: Her surname is only found in her card◊.
- Horned Humanoid: She has one large horn on the head.
Thia's Faction
Thia Venta Zoa
Debut: Chapter 95
An eccentric scientist with a mysterious agenda of his own. He is Tuna's older brother. Kid
Debut: Chapter 86 (partial appearance)note , Chapter 98 (full appearance)
A blue-haired, horned boy also known as the cocoon of a Devil. He's born from and feeds on the Abominable Crystal.- Anti-Anti-Christ: Kid is meant to cause The End of the World as We Know It as the cocoon of a Devil. With the help of Mutenmaru, he narrowly averts his own fate by purifying himself and the world as planned by Thia.
- Horned Humanoid: He has a pair of yellow horns right above the ears.
- Locked into Strangeness: He gains white hair with blue highlights after purifying himself.
Sea of the Beginning
King Ocean
Debut: Chapter 89
The ruler of the merfolk. He is Umimi's strict father who has confined her since she was a baby.- Papa Wolf: It's revealed that he's locked his daughter, Umimi, away to protect her from the likes of Sick, who almost abducted her in infancy for her strong potential.
- Parents Know Their Children: He recognizes his daughter, Umimi, even in her corrupted form as Sissela.
Crocell Xylel
Debut: Chapter 93
The young CEO of Megadis, a major company that creates costumes for heroes.- Ascended Fanboy: He was an adoring fan of the legendary hero Master Megalo as a child. He starts out as a dark example of Heroic Wannabe, but Star of Hope reveals that he's become a proper hero as Anchor Gill to atone for his crimes.
- The Atoner: He starts working as a real hero to atone for his crimes as the Corrupt Corporate Executive of Megadis.
- Chocolate of Romance: The official Twitter account of the franchise reveals that as Anchor Gill, he gets considerable amounts of chocolates every Valentine's Day.
- Corrupt Corporate Executive: As the CEO of Megadis, Crocell oversees the creation of not only costumes for heroes but also monsters in Megapolis for monetary gain and ultimately to Take Over the World as the strongest hero. Thankfully, he grows out of it.
- Engineered Heroics: He is seen on the television promising to wipe out monsters in Megapolis with costumes he creates for heroes as the CEO of Megadis. When Mutenmaru's group and Shinobu infiltrate Megadis to verify Father Brasse's suspicion, Crocell reveals that he's the one who creates monsters in Megapolis with the help of Thia to keep heroes fighting.
- Good Eyes, Evil Eyes: He used to have round, bright blue eyes — which he gradually regains after Mutenmaru purifies him — with implications that he only got narrow, angular dark eyes after exposure to the Abominable Crystal turned him into the Corrupt Corporate Executive of Megadis.
- Heel–Face Turn: He goes from the Corrupt Corporate Executive of Megadis to a proper hero long after his purification.
- Humiliation Conga: Crocell goes through a series of events that utterly demolishes his arrogance after Mutenmaru and his friends confront him. As the battle with Mutenmaru goes on, Crocell's ultimate hero suit transforms him into a grotesque monster who rants about how he will be the strongest hero in the world. Just as Crocell is defeated and lies defenseless on the ground, Thia betrays him by blowing up the building of Crocell's company to continue his own research. Crocell has to be saved by a group of heroes, one of whom helps him repent. Soon afterward, three more of Crocell's benefactors reveal that Crocell was just a pawn in Sick's plan instead of being friends and equals with him. This culminates in Sick flying away with Eryth and Ritol as he steals Crocell's research on Abominable Crystals for himself.
- Sixth Ranger: Star of Hope reveals that he's joined the Anchor 4 as Anchor Gill to redeem himself.
- Take Over the World: He reveals to Mutenmaru's group and Shinobu that he wants to purge the world of weaponry, armed forces, and nations under his rule as the strongest hero.
- Used to Be a Sweet Kid: He was an adoring fan of Master Megalo as a child and, even in adulthood, he seemed to be a normal scientist until he was introduced to the Abominable Crystal. He regains his conscience after Mutenmaru purifies him of the Abominable Crystal in his hero costume as Master Megadis.
- Would Hurt a Child: He brutalizes Mutenmaru repeatedly in their duel, with implications that he would have killed the little samurai if not for the intervention of Sister Meer and Father Brasse.
Komai
Debut: Chapter 94
A policewoman in Megapolis.- Little Bit Beastly: Komai looks like a woman with the ears and tail of a dog.
- Eyes Always Shut: Komai has her eyes drawn shut.
Father Brasse
Debut: Chapter 95
An old man who takes care of orphans in his church alongside Sister Meer.- Eyes Always Shut: He never opens his eyes.
- Miniature Senior Citizens: He is an old man and he barely comes up to Sister Meer's chest.
Sister Meer
Debut: Chapter 95
A woman who takes care of orphans in her church alongside Father Brasse.- Dual Wielding: Meer wields a pair of whips in combat.
- Eyes Always Shut: Sister Meer only opens her eyes the moment she comes to Mutenmaru's aid.
Anchor 4
Debut: Chapter 94
An anchor-themed hero team of four commanded by Anchor Sam.- Captain Geographic: Anchor Sam is the most stereotypically American among the heroes of Megapolis, being a blue-eyed blonde mostly in red, blue, and white.
- Primary-Color Champion: Anchor Sam, the commander of the hero team Anchor 4, is a blue-eyed blonde dressed mostly in red, blue, and white.
- The Smurfette Principle: Anchor Fin is the only woman of the team.
- Theme Naming: With the exception of Anchor Shell, the members of the team are named after body parts of the fish.
Tuna
Debut: Chapter 97
A 10-year-old girl who works for the police.City of Radiance
Sissela Siren (SPOILERS)
Debut: Chapter 121
The corrupted form of Umimi Sheela. She counters any threat to her freedom, perceived or otherwise, with the Song of Destruction, which normally entails disappearing into bubbles.- Hellish Pupils: She has rectangular pupils like a sheep's.
- Horned Humanoid: She has a pair of yellow horns on her pigtails.
- I Just Want to Be Free: She retains Umimi's desire for freedom, but unlike her former self, she seeks it at the expense of others.
- Winged Humanoid: She looks human but with feathered wings in place of arms.
Ancient Land
Anne Bran
Debut: Chapter 155
Sick Solitude's commoner girlfriend.- All-Loving Hero: She was a kind girl who wanted peaceful solutions when the commoners planned a revolt against their oppressors, Pain and Yamai Solitude. She even believed that aristocrats were people and thus could be reasoned with — something she apparently learned from Sick, the innocent son of the Solitudes. Unfortunately, the rebels killed her in a blind rage for stepping between them and Sick.
- All There in the Manual: Her surname is only found in the her cards◊.
- Death of a Child: She was not even in her teens when the poverty-stricken rebels killed her in a blind rage for stepping between them and Sick, who had nothing to do with the tyranny of his aristocratic parents over the town of Throne.
- Exotic Eye Designs: She had cross-shaped pupils.
- Morality Chain: Her death, along with the corrupting influence of the Abominable Crystal, was the cause of Sick becoming the monster he is today.
- Only Friend: Sick described Anne's smile as the only source of light for him.
- Technicolor Eyes: She had crimson scleras with pale red pupils.
Pain and Yamai Solitude
Debut: Chapter 156
The aristocratic tyrants of Throne. They were also Sick's neglectful parents.- Aristocrats Are Evil: Although Sick himself Used to Be a Sweet Kid, the poverty-ridden rebels targeted him solely for being the son of Pain and Yamai Solitude, the aristocratic tyrants of Throne.
- Foreshadowing: The portrait of them as a happy couple in Chapter 156 shows Abominable Crystals embedded in their rings. During the rebellion, it turned them into monsters.
- Four Eyes, Zero Soul: Pain was the spectacled tyrant of Throne who used the money of the town only for aristocrats.
- Parental Neglect: It's heavily implied that they were neglectful of Sick:
- Pain didn't want Sick involved in his business, so he coldly had their butler send the boy to his room. Sick promptly asked why Yamai never returned home, only for his butler to tell him that he didn't have to know everything. The butler had a good reason for keeping Sick ignorant since Yamai's card◊ reveals that she was away gallivanting to satisfy her unfulfilled desire and out of sloth.
- Sick told Anne that his bouquet for her had no one in his house to see it and that he would rather share her few simple sandwiches than eat luxurious food alone in his house.
- Pain didn't want Sick involved in his business, so he coldly had their butler send the boy to his room. Sick promptly asked why Yamai never returned home, only for his butler to tell him that he didn't have to know everything. The butler had a good reason for keeping Sick ignorant since Yamai's card
- Sadist: Yamai's hobby was abusing the poor with her hounds.
- Used to Be a Sweet Kid: The portrait of them as a happy couple in Chapter 156 shows Abominable Crystals embedded in their rings, implying that the crystals corrupted them into the tyrants as the townspeople of Throne knew it. Pain's card◊ even states that he put much effort into the good of people before losing sight of it.
