Smile Man

 Smile Man (スマイルマン, Sumairuman) is an A-Class Superhero, rank 27.

Appearance
Smile Man is a man who wears a red body suit with a domino mask. He has a smiley face on his body suit and on his belt.

Saitama Introduction Arc
He arrives at A-City with Lightning Max to fight Vaccine Man, but is utterly defeated.

Abilities
Smile Man's high ranking as an A-Class hero shows that he is a highly capable individual.

Anime and Manga Differences

 * In the manga, Smile Man did not fight Vaccine Man.

Trivia

 * Smile Man's design, especially in the anime, resembles Anpanman, the main character of Japanese kids book series' Anpanman.