Guide › Anime › One-Punch Man › One-Punch Man characters
One-Punch Man follows Saitama, a hero who beats any enemy with a single punch and is bored stiff because of it. The story is set in a Japan overrun by monsters, where the Hero Association sorts its heroes into classes (S, A, B and C) and ranks them within each class. The cast mixes Saitama and his disciple Genos, S-Class heroes such as Tatsumaki, Bang and Atomic Samurai, lower-ranked heroes who earn their moment, such as Mumen Rider and Fubuki, and opponents such as Sonic, Boros and the hero hunter Garou. This page covers 15 characters, with each hero's class as it stands early in the story, their Japanese voice actor and, where a source names one, the Brazilian Portuguese voice from the Netflix dub.
The protagonist. Saitama became a hero for fun and trained until he went bald and grew too strong: any opponent goes down in one punch. The catch is that no fight excites him anymore. He wears a yellow jumpsuit and white cape, joins the Hero Association at C-Class, and almost nobody notices his real strength. Makoto Furukawa voices him in Japanese.
A 19-year-old cyborg who becomes Saitama's disciple after watching him fight. Genos is serious, disciplined and writes down every word his master says as if it were deep wisdom. He fights with arms that fire powerful energy blasts and is regularly wrecked and rebuilt. He joins the Hero Association straight into S-Class and moves in with Saitama as his roommate.
The number 2 hero in S-Class, known as Terrible Tornado. Her psychic powers are enormous, strong enough to lift buildings and crush monsters without moving a step. Short, impatient and arrogant, she treats almost everyone with contempt. She is Fubuki's older sister, and their relationship is shaped by the pressure Tatsumaki puts on her sibling. Aoi Yūki voices her in Japanese.
Speed-o'-Sound Sonic is a ninja for hire, extremely fast, who works as a bodyguard and assassin. After a run-in with Saitama early in the series, he declares Saitama his great rival and keeps showing up to challenge him. Vain and stubborn, he uses explosive shuriken and speed techniques, and he is one of the show's recurring comic figures. Yūki Kaji voices him.
The number 3 hero in S-Class, known as Silver Fang. Bang is an elderly martial arts master and founder of the Water Stream Rock Smashing Fist style. Calm and experienced, he keeps trying to attract students to his dojo and soon shows respect for Saitama. He is also tied to Garou's past, since Garou was once his disciple. Kazuhiro Yamaji voices him.
A C-Class hero who rides a bicycle and wears a helmet and goggles. Mumen Rider has no superpowers and no special strength, yet he stands up to any threat to protect people, even when he knows he will lose. He holds the top spot in C-Class and is one of the first people to see Saitama's worth. Fans rank him among the most loved characters.
Leader of the Blizzard Group, a faction of more than 30 B-Class heroes, and the top-ranked hero in that class. Fubuki, called Hellish Blizzard, is a psychic who chose the strength of a group over climbing the rankings alone. She tries to recruit Saitama into her team. She is Tatsumaki's younger sister and lives in the shadow of her fame.
The number 4 hero in S-Class, a swordsman whose technique slices enemies apart in the blink of an eye. Atomic Samurai is proud, blunt and takes the code of the sword seriously. He has three disciples who are heroes themselves. He plays a big part in the battle against the space invaders at the end of season 1. Kenjiro Tsuda voices him.
The number 7 hero in S-Class, with a reputation as the strongest man on Earth. King has a scar across his face, an intimidating presence and a mysterious sound, the King Engine, that enemies hear as he approaches. Away from the battlefield, though, he prefers to spend his time playing video games, sometimes with Saitama. Hiroki Yasumoto voices him.
The number 5 hero in S-Class, a child genius still in elementary school. Child Emperor carries a backpack full of inventions and fights with technology he built himself, from robots to compact weapons. Analytical and confident, he is often the first to calculate the risks of a mission, and the other heroes take him seriously despite his age. Minami Takayama voices him.
The number 15 hero in S-Class, a young delinquent type who fights with a metal baseball bat. Metal Bat is hot-headed, stubborn and never backs down from a monster, however hurt he is: the more he gets hit, the stronger he seems to become. Under the tough-guy act, he is very protective of the people he cares about. Wataru Hatano voices him.
The number 8 hero in S-Class, known for regenerating from almost any injury. Zombieman smokes, says little and fights with guns and axes, relying on the fact that he is nearly impossible to put down for good. Calm and investigative, he usually works alone and takes an interest in where the monsters he fights come from. Takahiro Sakurai voices him.
The number 1 hero in A-Class, also famous as a singer, actor and pop idol. Amai Mask is handsome, popular and holds rigid views about what a hero should be: strong and flawless in every way. That is why he refuses promotion to S-Class and prefers to control who gets there. Mamoru Miyano voices him in Japanese.
A young fighter who calls himself the Hero Hunter. Garou was once Bang's disciple and believes heroes are bullies who always beat the weak, while monsters are cast as the victims. So he starts taking heroes on one by one. He is the central antagonist of season 2 and a key figure in the seasons that follow. Hikaru Midorikawa voices him in Japanese.
Leader of the Dark Matter Thieves, a band of space pirates who raid planets. Boros is a one-eyed alien of immense power who crossed the universe looking for someone able to give him a real fight, after hearing a prophecy. He is the main villain of the final episodes of season 1. Toshiyuki Morikawa voices him in Japanese.
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