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Senior Centipede (ムカデ先輩, Mukade Senpai; Viz: Centisenpai) was a Demon-level Mysterious Being and a member of the Monster Association. He was killed by Metal Bat.[2]


Senior Centipede's full appearance

Senior Centipede was, as his name implied, an extremely large centipede. His width was about 4 meters wide.[3] Unlike Junior Centipede, he was completely armored, with his upper armor being dark-blue and his lower armor being light-blue. His face seemed to be contained inside the mouth of another head.


Senior Centipede was rather confident in his abilities. He had a rather sadistic nature when he believed he had an advantage against the opponent.


He met Junior Centipede sometime in the past and had since formed a close bond with the other centipede monster.


Human Monster Saga[]

Monster Raid Arc[]

Senior Centipede emerges

Before Metal Bat could finish Junior Centipede off, Senior Centipede erupted from the ground. Senior Centipede forced Metal Bat, the Hero Association's sponsor, and the sponsor's child out of the restaurant. Outside, Rafflesidon emerged from the ground and started releasing sleeping gas. The sponsor and the sponsor's child immediately fall unconscious. Metal Bat is left to fight two Demon-level monsters in S-City.[4]

Senior Centipede in-battle

While Senior Centipede and Rafflesidon fight Metal Bat, Metal Bat comes under hypnosis when Rafflesidon releases some gases. Senior Centipede then proceeds to continuously attack Metal Bat, but Metal Bat eventually comes out of the hypnotic state. Senior Centipede is then defeated by Metal Bat with one strike.[5]

Abilities and Powers[]

Given his status as a Demon-level threat and the fact that he was able to give the S-Class hero Metal Bat some difficulty, Senior Centipede was a very powerful monster.

Physical Abilities[]

Centipede March

Immense Strength: Senior Centipede possessed great strength. He was able to wound Metal Bat, launch him many meters and burst through concrete.[6]

Immense Speed: Senior Centipede was able to maneuver around in battle at extreme speeds. He also had the ability to dig through the ground at high speed.

Immense Durability: Senior Centipede's body was protected by a powerful carapace, which was his main set of defense. According to Murata, Genos can only damage him with his "upgraded attacks", presumably referring to his upgrades after he was defeated by Gouketsu.[7]

Molting (脱皮, Dappi): Much like Elder Centipede, every time he shed his outer shell, Senior Centipede grew bigger and stronger than he was before, also gaining another face.

  • Massive Size Increase: During his molting process he could increase his size.

Fighting Style[]

Hand-to-Hand Combatant: Senior Centipede used his size, strength, and speed during combat. He also seemed to prefer close-quarters combat.

  • Centipede March (百足大行進, Mukade-dai Kōshin; Viz: Centipede Parade): Senior Centipede surrounds a target and deals damage from all angles. He uses this attack against Metal Bat.[8]

Major Battles[]

Participants Chapter(s) Episode(s) Result
Senior Centipede and Rafflesidon vs. Metal Bat 54, 55 16 Senior Centipede is killed


  • Unlike his centipede counterparts, Junior Centipede and Elder Centipede, Senior Centipede actually appeared in the Original Webcomic.
  • In the webcomic, Senior Centipede appeared as part of the group that observed Garou on his task to prove that he was a monster along with Royal Ripper and Bug God. Garou came into conflict with his observers when Senior Centipede tried to kill Busaiku. Though Senior Centipede was killed, Garou was incapacitated and left for dead by Royal Ripper and Bug God.[9]
  • In the manga, he was given the role of kidnapping Waganma and Narinki but was ultimately defeated by Metal Bat.


  1. One-Punch Man Manga; Chapter 54, page 11
  2. One-Punch Man Manga and Anime; Chapter 55, and Episode 16
  3. One-Punch Man Stream; 20/1/2016
  4. One-Punch Man Manga; Chapter 54, page 5-9
  5. One-Punch Man Manga; Chapter 55, page 2-14
  6. One-Punch Man Manga; Chapter 55, page 6-7
  7. One-Punch Man Stream; 17/5/2018
  8. One-Punch Man Manga; Chapter 55, page 3
  9. One-Punch Man Webcomic; Chapter 57


Monster Association
Executives Black Sperm *Evil Natural Water *Homeless Emperor Fuhrer Ugly Gums Overgrown RoverNyan Elder Centipede Gouketsu 
Demon Awakened Cockroach Baquma Bug God Building Booper Devil Long Hair Do-S *Eyesight G5 Hundred-Eyes Octopus Vampire (Pureblood) Rafflesidon Royal Ripper Face Ripper Fist Fight Djinn Free Hugger Rhino Wrestler The Three Crows Senior Centipede Showerhead Super Mouse Unihorn The Great Food Tub 
Unknown Gyoffrey Goddess Glasses Venus Mantrap Junior Centipede Haragiri Rosie Choze Benpatsu *Hamukichi *Volten *Evil Eye Gale Hellfire Evil Eggs ManakoPlatinum Sperm Sword Devil Executioner Raptora *Reptera
Mysterious Beings
Dragon (or higher) Boros Orochi *
Demon 170,000-Year-Old Cicada Larva 170,000-Year-Old Cicada Adult Armored GorillaAwakened Cockroach Baquma Beast King Bruinado Bug God Building Booper Deep Sea King Demonic Fan Devil Long Hair *Do-S *Eyesight Face Ripper Fist Fight Djinn Free Hugger G4 G5 Game-Berus Giant Crow Grizzly Nyah Hundred-Eyes Octopus Jumping Spider Macho Daikon Mosquito Girl Rafflesidon Rhino Wrestler Royal Ripper Scaledon Senior Centipede Showerhead Sky King Subterranean King Super Mouse Surprise-Attack Plum The Great Food Tub The Three Crows Unihorn Vampire (Pureblood) 
Wolf Himawari Hotdog Messenger of the Seafolk Piggy Bancon Tongue Stretcher
Less than Wolf
Unknown Alien Seer *Ancient King Angry Grandpa Autumn Phantom Red Golden-ringed Dragonfly *Benpatsu *Choze DarkDark Matter Gunner Eagle Enamel Evil Eggs Evil Eye Evil Natural Water *Falcon Fish of DarknessGale Giant Salamander Gigakigan Goddess Glasses Gyoffrey Hamukichi *Haragiri Hawk Hellfire Junior Centipede Kite Lord Great White ManakoMen's Esthetician Man *Platinum Sperm Rosie Raptora *RepteraSage Centipede Suppon Sword Devil Executioner Venus Mantrap Volten *