Watchdog Man/Other Media

The Murder Case that Is Too Impossible
Watchdog Man and the other S-Class heroes are invited to a hot spring resort, after the Dark Matter Thieves failed invasion. While at the hot spring, he is questioned by Metal Bat about his whereabouts, only to state he went to protect his city. When Zombieman is found murdered and while Child Emperor is trying to find the culprit, Watchdog Man is asleep.

Charanko, Learning
He is one of the heroes called by Sitch to Bang's Dojo. He eventually gets bored and leaves.

One Punch Man: A Hero Nobody Knows
Watchdog Man is a playable character in the video game, One Punch Man: A Hero Nobody Knows as a DLC character.