Justice Man

Justice Man (ジャスティスマン, Jasutisuman) is a popular children's cartoon in the world of One-Punch Man. Garou and Saitama were both inspired by the show for different reasons.

Episodic Stories
Devil Earl wishes to cover the world in darkness, but Justice Man comes to save the day. Justice Man defeats Devil Earl with a Justice Punch.

Justice Man teams up with Mach Woman and Little Justice to murder a Crab Monster, whom was protecting the sea from humanity. Afterwards, Justice Man found the monster's hidden stash of eggs.

Moveset

 * Justice Punch
 * Justice Kick
 * Justice Fire Kick (ジャスティスファイアキック, Jasutisu Faia Kikku)
 * Justice Cross Chop

Mach Woman
(マッハウーマン, Mahha ūman)

Little Justice
(リトルジャスティス, Ritoru Jasutisu)

Trivia

 * One of the first monsters we see Justice Man confront in Chapter 41 bears a strong resemblance to an unnamed mysterious being Saitama killed in the back cover of Volume 1. His design was slightly altered in the anime.

Reference
Justiceman