Nightmare Sans

Nightmare Appearance: Is a skeleton, covered in black, thick goop. Has 4 tentacles coming out of his back. His left eye illuminated in a battle blue. Can see the outlines of his shorts, shirts, and hoodie. Nightmare is entirely black and goopy. Personality: Cocky and proud. He is deceiving without remorse, willing to do anything to get his way and destroy every AU with negativity. Doesn't lie, just good at hiding the truth under coated words. Has no respect for any monster. Is highly smart. Weakness is positively. Has a blind spot because he can only see out of his left eye. His right eye is covered in black goop. Be whoever you want.