Gargaroth is a minor character in The Amazing World of Gumball that first appeared in a cameo in The Compilation, and served as the main antagonist in the Halloween episode "'The Scam". He is also known as Gargaroth the Devourer.
Gargaroth is a black blob ghost monster with multiple eyes, hands, ears, and mouths all over his body. His main face has one eye and a big mouth that produces green slime. He has another face that's white with red dotted eyes and a crooked mouth.