Dark Nemus is a dark clone of Nemus and is his evil brother. He was the primary antagonist of the Backyard Gods Arc of UnMario: The Series. He is the leader of the Backyard Gods. Dark Nemus makes his first appearance in The Backyard Gods Arc of UnMario: The Series in episode 65 as a shadow when Uniqua, The Goddess of Sleep tells him that they have kidnapped Mario and Luigi when they and some other guys have gone to relax on UnCarnival Backyard and he laughs eviley.