1. Saitama: Known as the “One-Punch Man,” Saitama is a hero who can defeat any opponent with a single punch, though he faces an existential crisis due to his overwhelming power.
2. Genos: As Saitama’s loyal disciple, Genos is a cyborg hero driven by revenge against a powerful villain who destroyed his home.
3. Bang (Silver Fang): This elderly martial arts master is one of the most respected heroes, famous for his Water Stream Rock Smashing Fist technique.
4. King: Despite being called “The Strongest Man on Earth,” King has no powers but maintains his reputation through sheer luck and intimidating demeanor.
5. Child Emperor: A young genius and prodigy, Child Emperor’s intelligence and gadgets make him a top strategist in the Hero Association.
6. Metal Bat: Known for his indestructible bat and “Fighting Spirit,” which increases his strength the more damage he takes, Metal Bat fights with the style of a classic delinquent.
7. Zombieman: With remarkable regenerative powers that make him nearly immortal, Zombieman wins battles through endurance and persistence.
8. Speed-o’-Sound Sonic: This ninja and recurring rival of Saitama is fast and skilled, constantly seeking to prove himself against the hero.
9. Garou (Hero Hunter): A former student of Bang, Garou becomes a “hero hunter,” intent on evolving by fighting both heroes and monsters.
10. Dr. Genus: A brilliant scientist from the House of Evolution, Dr. Genus is responsible for creating several creatures, like Mosquito Girl, in his quest for human evolution.
1. Tatsumaki (Tornado of Tornado): One of the strongest espers in the world, Tatsumaki’s psychic abilities allow her to manipulate objects and characters with ease.
2. Fubuki (Blizzard of Hell): As the leader of the Blizzard Group, Fubuki is a formidable esper who aims to rise in the hero ranks, despite living in her sister’s shadow.
3. Psykos: A clever strategist of the Monster Association, Psykos wields psychic powers to thwart the heroes’ efforts and pursue her ambitious agenda.
4. Do-S (Super S): Known for her control and manipulation, Do-S uses a whip to overpower others and bring a dark allure to the Monster Association.
5. Mosquito Girl: An enhanced mutant created by Dr. Genus, Mosquito Girl posed an early threat with her mosquito swarm, defeated swiftly by Saitama.
6. Mizuki (Captain Mizuki): Despite her B-Class ranking, Mizuki is recognized for her prowess as a track athlete hero capable of taking down formidable foes.
7. Suiko: With expertise in martial arts and her “Void Fist,” Suiko is a rising hero who continues her family’s powerful legacy.
8. Manako: Originally a monster ally, Manako’s humorous nature and journey lead to unexpected alliances with heroes.
9. Lin Lin: A martial artist of renowned skill, Lin Lin competes in martial arts tournaments, showcasing her prowess to the world.
10. Myttele: A dark esper with telepathic abilities, Myttele’s character adds depth and intrigue to the One-Punch Man world.