Unihorn

Unihorn is a member of the Monster Association in the manga. He is a Demon-level monster who briefly appears to fight Garou along with Showerhead and Super Mouse. (infobox needed)

Appearance
Unihorn is a humanoid creature with a large horn as a forehead. He has eyes all over his body, and malformed teeth.

Personality
He seemed to be confident in himself, proclaiming his horn was "unbreakable."