Caiman is the main protagonist of the anime and manga series Dorohedoro. He is a large, reptile-headed man suffering from amnesia after a sorcerer's attack transformed his head into that of a lizard. Caiman is on a relentless quest to recover his lost memories and restore his human form, seeking out sorcerers to find the one responsible. Despite his intimidating appearance, he has a kind heart, and his close friendship with Nikaido drives much of the story's emotional depth.