Mamono is a bird-like demon from the Puyo Puyo series (You know, the Puzzle game that involves the characters playing “Puyo Puyo” where Puyos that fall in pairs of 2 and if 4 of the same color of one touch they pop and you can send garbage ones to your opponent in Puyo Battles). He was an intimidating demon despite his looks but since losing to a 6-year-old Arle Nadja (now 16), his reputation has not recovered. Mamono hates being called a “final boss”-like figure. He only speaks in bird sounds.