Saitama

Saitama is a fictional character and the protagonist of the popular Japanese manga and anime series "One Punch Man." He is an ordinary-looking man who becomes a superhero for fun. Through intense training, he gains immense physical strength, becoming so powerful that he can defeat any opponent with just one punch. Despite his incredible abilities, he struggles with a lack of excitement and fulfillment, as he yearns for a challenging opponent who can match his strength. The series humorously explores the concept of a hero who is so overwhelmingly powerful that he finds life monotonous and seeks to find a worthy adversary.