Giant Salamander

Japanese Giant Salamander (大山椒魚, Ōsanshō̄o) was a Mysterious Being from the One-Punch Man OVAs. It was killed by Atomic Samurai.

Appearence
Japanese Giant Salamander is a giant Japanese Giant Salamander with four eyes.

Going Fishing with Middle-aged Men
Japanese Giant Salamander attacks a lake where Kamikaze and Bang are fishing. Chain'n'toad and Mumen Rider try to stop it but fail and Chain'n'toad is eaten. They are then saved by Atomic Samurai who kills the monster.