Nightmare is the Guardian of Negativity, he's a kind boy who likes books, but he is often bullied by the villagers of his au, Dreamtale. He is the twin brother to Dream, the Guardian of Positivity. Nightmare resides by the Tree of Feelings and keeps people from taking the Negative and Positive apples on it. Nightmare has tan skin and dark brown hair, his eyes are an amethyst purple. He wears a purple and gold shirt and pants, black boots and a gold circlet with a moon on it.