Nightmare was a powerful God of negativity. He could feel the negative feelings even from a distance. Nightmare had pale skin, black hair that covered his left eye. He fought for evil while his twin brother, his enemy Dream, was part of the good. Nightmare had teal eyes and very strong and powerful muscles. He had many scratches or scars on his body and many dark skin patches all over his body. He is greatly feared and is also a powerful King, King of Dreamtale. Error is his greatest ally.