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Characters from Ratman.


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    Main Characters 

Shuto Katsuragi/Ratman

A fifteen year-old hero otaku who was given the powers of Ratman. His idolization of heroes began when he was very young, and the legendary superhero Shiningman saved him from a collapsing building. Crea insists that he was chosen to be Ratman because nobody in their right mind would guess that someone as small as him would be Ratman.


Mirea Mizushima

A classmate of Shuto who has a crush on him. She is a member of Jackal who recommended him for being Ratman. She lost her parents at a young age and was then raised by Crea.


Rio Kizaki/Cat Girl Rio

Senpai of Shuto and Mirea. Daughter of the president of the Heroes' Association who dreams of being a hero herself someday to help people. Her father does not want her to become a hero.


  • Action Girl: Is introduced saving Shuto from being beaten up by a group of delinquents, and spends her downtime training in martial arts and investigating crimes.
  • Animal-Themed Superbeing: Her Hero moniker, Cat Girl Rio.
  • Ascended Fanboy: She finally becomes a heroine in chapter 45.
  • Back-to-Back Badasses: With Ratman in Chapter 35.
  • Cat Girl: Her hero motif, as her name suggests, is a cat girl.
  • Enemy Mine: While she is dedicated to bringing Ratman to justice, she occasionally finds herself teaming up with him, which gets her to begin reconsidering her assumptions about him.
  • Fun T-Shirt: She sometime wears clothes with the words "*SODA POP* A Bright Sunny Day waiting for you" on them.
  • Girlish Pigtails: Keeps her hair tied up with two ribbons.
  • Inspector Javert: Has made it her duty to take down Ratman... because he accidentally saw her naked. She forgives him when she learns he's Shuto.
  • Jet Pack: Part of her eventual hero gear.
  • Little Miss Badass: She's a high school student who can take down gangsters.
  • Missing Mom: Her mother died when she was younger.
  • Non-Idle Rich: Her father is the head of the Hero Association, but she dislikes being judged based on her wealth and one of her hobbies includes beating up criminals.
  • Rebellious Princess: Deliberately disobeys her father's orders not to train in martial arts and runs around fighting crime in her spare time.
  • Sidekick Graduations Stick: She eventually gets to finally become a hero and debuts in chapter 45 as Andou Electrics hero... Cat Girl Rio.
  • Shoryuken: Her finishing move, Rio de Carnival.
  • Tsundere: Develops this attitude towards Ratman as she comes to realize he isn't evil.
  • Why Did It Have to Be Snakes?: She has acrophobia, though she eventually overcomes it.
  • Wolverine Claws: Her main means of offence as Cat Girl Rio.
  • Wrestler in All of Us: Is a big fan of wrestling, and introduces herself by pulling a Frankensteiner on a thug about to beat up Shuto.

    The Jackal Organization/The Mizushima Family 

An evil organization who opposes the Heroes' Association.


  • Card-Carrying Villain: Crea has stated their goal is world domination, but she was lying.
  • Empire with a Dark Secret: Crea and Mirea's parents were two of the founding members of the Hero Organization and were involved in the creation of Shiningman.
  • Enemy Mine: They ally with the Hero Organization against Sin.
  • Evil Is One Big, Happy Family: Literally. Aside from the Jackie combatants and Shuto, Jackal is solely comprised of the surviving members of the Mizushima family.
  • Oddly Small Organization: Only had six members before Shuto joined.
  • Revenge: Chapter nineteen confirms this as their true goal.
  • Villains Out Shopping: The Jackie combatants are frequently dispatched to purchase food supplies, often with humorous results. This leads to Mirea being photographed with them by a reporter for the chief hero magazine, and Ratman has to rush to prevent it from being published.

Crea Mizushima

The leader of Jackal who made the technology of Ratman's APPEND GEAR. Mirea's older sister. She raised Mirea herself after the deaths of their parents.


  • But Not Too Foreign: Like her sister she is part-English.
  • Diabolical Mastermind: She is the leader of Jackal
  • Hidden Depths: Before creating the Jackal Organization, she and Hijiri came up with the idea of Kreios.
  • Hiding Behind Your Bangs: Her bangs cover the right half of her face which covers her blind right eye.
  • The Gadfly: She gets a kick out of poking fun at Shuto, whether it's over his height, desire to become a hero, or his budding romance with Mirea.
  • Mad Scientist: Played with, as she is not insane nor is she truly evil.
  • Medium Awareness: Occasionally makes quips about the manga lacking romance and "sexiness".
  • Misplaced Retribution: Spends nine years of her life pursuing revenge against an innocent man.
  • Parental Abandonment: Her parents died when she was younger.
  • Shipper on Deck: For Mirea and Shuto. She finds watching their "teen drama" amusing.
  • Whip of Dominance: She's an abrasive and temperamental woman who carries a whip, and cracks it on the ground whenever she wants to get people to do something or to just look intimidating and imposing.
  • You Killed My Father: Watched Shouichiro Kizaki kill her parents and blow up their laboratory as a child, or so she thought.

Gengo Mizushima

The Grandfather of Crea and Mirea.


  • Evil Old Folks: "Evil" being used subjectively.
  • Hidden Depths: He actually knows and understands his granddaughter very well, and the only real reason he's involved in mad science or supervillainy is because he feels her revenge plot is something she needs to go through with for her own sake. He also believed, correctly, that Shouichiro was innocent all along.
  • Mad Scientist: He looks the part more than his grandchildren.
  • Miniature Senior Citizens: He's even shorter than Shuto, which is saying something.

The Combatant Jackies

The three foot soldiers of Jackal.


    The Heroes' Association 

An association who regulate heroes from commercial companies.



Heroes

S-List/Social Order Secret Security/S-Security

A secret team of special forces who take care of any organizations that work against the Heroes Association and handles in-fights between heroes.

Hijiri Midou/Kreios

A member of S-Security.


Shiki Kazamori/Unchain

A young man who somehow has powers despite not having the special equipment most heroes rely on. Soon after he's introduced, he uses his powers to save Shuto's life and they quickly become friends. However, he's also a guinea pig for a very shady branch of the Heroes' Association, and has become their latest S-Ranked hero: Unchain. He was abused as a child because his parents feared his powers.


A-List

Masato Saeki/ANKaiser

A hero who worked for the security company ANK Security. After the company flopped, he retired from being a hero but became one again when his gym hired him to be their commercial hero and renamed itself Kaiser Boxing Gym.


Van Guardner

A hero working for the security company City Guard.


Mikoto Kujo/Ame-No-Uzume-No-Mikotonote 

A heroic swordswoman who also happens to be a first-year student at Shuto's school. The youngest A-ranked hero, and the commercial hero and the sixteenth owner of the vintage fiber manufacturing company Haori.


  • A-Cup Angst: Expresses embarrassment when IS-KA lists her three sizes.
  • Action Girl: One of the youngest superheroes registered at the Association, but holds an A-rank.
  • Blue Blood: The motif and themes of her hero-self shows elements of this. The company that sponsors her is apparently a very elite, highly respected company that has been trading and making high-quality fabrics and gowns for several centuries. Think a designer brand that mostly caters to the very elite, rather than just about anyone who's willing to shell out the cash. Not to mention her title.
  • Cool Sword: Wields a tsurugi/jian.
  • Embarrassing Nickname: Was called "Kujo long chives" when she was younger.
  • Eyepatch of Power: Wears one in her civilian identity to hide her golden eye.
  • Luminescent Blush: Has this reaction to having her three sizes listed and the fact that her panties are showing pointed out.
  • Magical Girl: Complete with a Sailor Moon-esque Transformation Sequence.
  • Magical Floating Shawl: As Ame-No-Uzume-No-Mikoto she wears a floating scarf that invokes female kami. It is also a literal Scarf of Asskicking, as she can direct it to protect her or attack.
  • Precognition: One of her abilities.
  • Purple Is Powerful: Her hero dress.
  • Red Baron: She is called "Golden-Eyed Heavenly Maiden".
  • Religious and Mythological Theme Naming: Her hero name and costume are evocative of Ame-no-Uzume-no-Mikoto, the Shinto goddess of the dawn, meditation, and revelry who lured Amaterasu out of her cave to restore daylight and warmth to the world.
  • Showgirl Skirt: Her dress exposes her panties.
  • This Is a Drill: Can wrap her scarf around her sword to transform it into a drill, increasing its offensive power.]]

B-List

Sakaida/Randolman

A hero who pulled himself out of unemployment and started his own business.


Crystal Fighter PRISMMAN

A hero team working for Gimza Jewelry Taki. The members are Ruby Red, Sapphire Blue, and Topaz Yellow.


Ruby Red

The leader of PRISMMAN.


Sapphire Blue

The Lancer of PRISMMAN.


  • The Lancer: He becomes quite jealous of Red hogging the spotlight, and decides to confront him about it.

Topaz Yellow

A member of PRISMMAN, he backed up Blue when he confronted Red.


Akeboshi Shin/IS-KA/Sin

An newly-registered but powerful hero working for the Ad-Bank cellphone company. He's Shiningman's biological son.


C-List

Akiba Holy Girls

A team of maid themed heroes working for Holy Star Café in Akihabara.


D-List

2 Unidentified Heroes

A hero team.


Taishi Hosokawa/Fatman

A hero working for his family's restaurant Pizza Fat. Initially an E-Lister until becoming a D-Lister at an unknown time.


Mr. Big Horn

Exclusive hero of fast food chain Bison Burger who moved from the United States to Japan. A D-list hero.


F-List

Yuki/YAVIS

Hero of Shibuya who is employed by MEN'S EGGLE Co.Ltd as both a model and hero.


Unknown Rank

Shiningman/ Akeboshi Mitsunari

The hero who inspired Shuto to become a hero after saving his life as a child.


  • Broken Pedestal: Actually speaking to Shiningman nearly disenchants Shuto.
  • Brought to You by the Letter "S": Wears a "S" on his helmet.
  • Emergency Transformation: A variant. He was allowed to become Shiningman after coming to his friends, whom he was working with in order to create a superhero, and explaining to them that the people he was working against in a court case have taken his son hostage.
  • Fallen Hero: He fled Japan and moved to the United States.
  • Finishing Move: Shining Ray.
  • The Glasses Come Off: Before he was a hero, he was a glasses-wearing lawyer. When he's about to be turned into Shiningman for the first time, he takes off the glasses that he almost always wore, revealing how he's essentially an older version of Shuto in appearance.
  • In the Blood: Infused Shuto with the S-Genes by giving him a blood transfusion to save his life. His son also inherited this power... somehow.
  • Light 'em Up: His power enabled him to create blasts of light; he is called Shiningman after all.
  • The Paragon: He inspired Shuto to be a hero, and it's implied he is this to the other heroes as well.
  • Retired Badass: Lives in the United States after fleeing the country.

Mr. Carsonbo

The commercial hero for Sunny Insurance.



Executives and Employees

Takaki

The assistant of Shouichiro Kizaki.


Dr. Teramishi

The head scientist of the Bio Department and legal guardian of Shiki Kazamori.


    The Kizaki Household 

Shouichiro Kizaki

President of the Heroes' Association and Rio's father.


  • Ain't Too Proud to Beg: Gets down in a kneeling bow when asking Crea for forgiveness.
  • Better Manhandle the Murder Weapon: The reason why Crea has it in for him. He attacked the soldier who killed her parents, making him drop his gun. Shouichiro then grabbed the gun that killed his friends, vowing he would never forgive their killers. Crea only arrived after the soldier had already fled, so all she saw was Shouichiro standing over the bodies of her parents while holding a gun.
  • Hidden Depths: Is a 4th dan in karate, a black belt in judo, and a 5th dan in in kendo. He also has a scar from fighting bears.
  • Missed the Call: Was the one originally chosen to be Shiningman.
  • You Killed My Father: Killed Crea and Mirea's parents and destroyed their lab, or so she assumed.

Big Mama

The maid of the Kizaki Manor.


  • Maid: Her occupation.

Billy

A man from the United States who is Rio's bodyguard and personal trainer.


    Civilians 

Chihaya Sugimura

A reporter for a heroes magazine.


Nozomi Katsuragi

Mother of Shuto, Ana, and Yuna.


Ana & Yuna Katsuragi

Shuto's little twin sisters.


Kanta Matsui

Shuto's friend and classmate.


  • Otaku: Like Shuto, he's obsessed with heroes. He's especially fond of Randolman.

Anzu Hosokawa

Sister of Taishi and employee of her family's restaurant Pizza Fat.


  • Formerly Fat: And she doesn't like her brother telling random strangers about it.
  • Meaningful Name: Her name means apricot.
  • Ship Tease: There are a couple of moments that hint at her having a crush on Shuto:
    • Once the misunderstanding between Taishi and Shuto is cleared, she specifically expresses relief that the latter isn't into guys.
    • Despite her friend noting how attractive Shiki is, Anzu didn't pay him much attention, instead being happy over how Shuto said that her new school uniform suited her.

Roiko Andou

An android created by Hironobu Andou.


Dr. Hironobu Andou

An out of work inventor who created Roiko.


Haruka

Taishi's girlfriend.


Linda

Mr. Big Horn's wife and employee.


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