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Pluton, King of the Underworld (冥界王プル豚, Meikaiō Puruton) was a Dragon-level Mysterious Being and the King of the Underworld. He was killed by Saitama.[1]


Pluton was a gigantic pig-like creature with red eyes and tubes running from the side of his nose and neck to his shoulders. His skin was dark with gray and red sewn patches. He wore red pants and a shirt with green, yellow, brown and gray patches sewn together; over which is a rib cage, with his shoulder decorated with pig skulls.[1]


Like several of the other kings, he was a greedy, power-hungry tyrant who wanted to take the surface-world for himself, enjoying the deaths of several of the humans he slaughtered and hating them for living in gluttony and littering the world with worthless objects.[1]


Hero Association Saga

Alien Conquerors Arc

Awakened due to constant pollution on Earth, Pluton appeared in Y-City and wrecks havoc in said city. As he is about to kill a defenseless child, Genos arrives and saves the kid, before introducing himself to Pluton, buying some time for Saitama to appear and eliminate the monster, but the latter eventually cries out and curses the heavens as his life returns to one-punch defeats.[1]

Abilities and Powers

Pluton's immense destructive power.

Not much was seen of his abilities, however, as a Dragon-level disaster, it can be assumed that he was very powerful. Pluton seemed to have the ability to suck surrounding debris with his powerful nostrils, assuming that is how he destroyed a large portion of Y-City.

Physical Abilities

Immense Strength: Pluton possessed colossal strength fitting his size, as he was able to easily destroy a large portion of Y-City.

Immense Speed and Reflexes: As a Dragon-level monster, it can be presumed he had very impressive speed and reflexes. He was able to traverse the distance between City Z and City Y within a short period of time. Although it's unclear how much his large size hampered his abilities.

Powerful Nostrils: Pluton has very large and powerful nostrils that he used to suck people and buildings into his body with, and they were capable of tearing up large portions of a city.[1]

Major Battles

Participants Chapter(s) Episode(s) Result
Pluton vs. Saitama None 12 Pluton is killed


Murata's sketch of Pluton [2]



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 *