Saitama is the bald hero from One-Punch Man, a fictional character created by ONE and illustrated by Yusuke Murata. He is 25, wears a plain yellow jumpsuit, red boots, gloves and a white cape, and is registered with the Hero Association as Caped Baldy, an A-Class hero at rank 39. He lives alone in an apartment in the Z-City Ghost Town, and later in Hero Apartment 104 at Hero Association headquarters in A-City.

He is known as the strongest being in his world, able to beat almost any foe with one punch. He began hero work for fun after defeating the monster Crablante while protecting a child, and he trains every day with