What is an Ideal hero like? Someone who has trained hard to do something for the society, to fight the evil and defeat the villains. Unfortunately, that's not the case here in One Punch Man. We are talking about the protagonist, Saitama, the guy who's a hero for fun, he is strong enough to take on the entire hero association but that'd be too boring for him. Wear this One Punch Man anime inspired tee shirt of Saitama who's a hero for fun.