Moonfish

Moonfish (ムーンフィッシュ) is a villain affiliated with the League of Villains and also part of its Vanguard Action Squad.

Appearance
Moonfish is a fairly large man, who's entire body is covered in a BDSM-fashioned black leather overall that somewhat resembles a straight jacket, that reveals only his mouth. His body is bound by several leather belts with spikes on them all over his body, with five belts notably holding his mouth wide open.

Personality
Moonfish is a very disturbing individual, who gains a perverse pleasure from seeing dismembered body parts. During battles he's longing for flesh, begging his enemies to provide him with more.

History
Not much is known about Moonfish's past but he is an escaped Deathrow inmate, implying that he must have committed gruesome crimes.

School Trip Arc
Moonfish is first seen meeting up with other members of the Vanguard Action Squad. After splitting up from the others, Moonfish encounters Mezou and Fumikage. After a brief fight, during which Moonfish cuts one of Mezou's arms off, Moonfish is left alone with Mezou's arm. Moonfish admires the disembodied body part and is so distracted by it, that he doesn't notice Katsuki and Shouto approach from behind. Upon noticing, the 3 of them start to battle. During the battle, Mezou and Izuku appear at the scene, with an out of control Fumikage chasing after them.

Quirk and Abilities
Unnamed Quirk: Moonfish's Quirk gives him the ability to enlarge, grow and manipulate his teeth. Moonfish's teeth are quite strong as they were able to break through Shouto Todoroki's ice. Moonfish also uses his Quirk to maneuver around.