Nightmare is a major villain hailing from the Kirby series of games. He first appears in Kirby's Adventure as the game's true antagonist and final boss, and he desires to spread nightmares all across Dream Land.
He also appears in the Kirby: Right Back at ya! anime as the main antagonist, where he desires to conquer the universe by selling monsters, usually to someone like King Dedede. The monsters, along with several other creations, come from his company Nightmare Enterprises. Voiced by Ginga Banjou.
He has a counterpart in Another Dimension known as Parallel Nightmare, who serves as the main antagonist of Super Kirby Clash.
