Nightmare is a large black wolf with teal eyes and only his left eye, his fur is covered in black goop that doesn't go away. His is the alpha of a pack that includes: Beta: Error-Black wolf with red legs and blue tear marking under eyes, Omega:Dust-gray wolf with red and blue eyes, Omega:Cross-white wolf with red eyes and a red mark on his cheek, Omega:Horror-A gray-ish white wolf missing the top right half of his head, one red eye.