Saitama serious profile
Saitama (サイタマ, Saitama) is the main protagonist of One-Punch Man and the most powerful hero alive. Saitama faces a self-imposed existential crisis, as he is now too powerful to gain any thrill from his deeds.

He is currently registered with the Hero Association as a B-Class Rank 7 professional hero and is tasked to defend Z-City against Mysterious Beings. Under the Hero Association, he is given the name Caped Baldy (ハゲマント, Hagemanto; Viz: Bald Cape).

Sword of Kings Storyline

He is a secundary hero in Sword of Kings 3nd saga and 4nd saga. He is most powerful human hero alive on multi-universe and is one of the top 10 most powerful heroes on Alliance of Freedom. He is the one of the top 10 target of the entire Balam Alliance.