Nightmare is a skeletal monster from an alternate universe called Dreamtale. He looks cold, but he cares about his subordinates. Nightmare speaks politely and calmly. Nightmare feeds on negativity. Nightmare has tentacles that are made of negativity. He is completely covered in negative energy. He has only one eye cyan colour, the right one is hidden behind dripping negativity. Nightmare has subordinates from other alternate universes, their names are Killer, Horror and Dust.