: A Class C hero who attempts to bully Saitama to boost his own popularity. Thematic Elements One Punch Man Recap: Episode 6 “The Terrifying City”
: After five days as a professional hero, Saitama learns from Genos that Class C heroes are removed from the registry if they have no heroic activity for a week. (Dub) 6 : The Terrifying City
: While patrolling, Saitama encounters Speed-o'-Sound Sonic , who is desperate for a rematch. Saitama eventually subdues him after Sonic begins terrorizing the town to force a fight. : A Class C hero who attempts to
: Two Class A heroes, Golden Ball and Spring Mustachio , are sent to investigate but are defeated by the monster Kombu Infinity . : Saitama inadvertently solves the problem when he
: Reappears as a persistent rival to Saitama.
: Saitama inadvertently solves the problem when he encounters Kombu Infinity on his way home from grocery shopping, defeating the monster and later using its seaweed-like parts for soup. Key Characters & Rankings
: The Hero Association investigates the "ghost town" area of City Z, which is rumored to be a hotbed for powerful monsters.