Height: 178 cm (5'10")
Debut: Chapter 6 / Episode 1
Race: Cyborg
Location: Z-City
Abilities: Enhancements Physical feats, Full Cyborg Weaponry, Highly Skilled and Strategist Combatant
Weapons: Cyborg Body
Occupation: Superhero
Level: S-Class; Rank 16 (beginning), Rank 14 (current)
Affiliation: The Heroes Association

A cyborg and a self-proclaimed disciple of Saitama. He is always aiming to become stronger and fights for justice.

Genos is an extremely serious character. He has a strong motivation to become stronger and is always looking at Saitama as an example of the ultimate hero. Constantly trying to be like him even if it results in reckless fights.