Nightmare

Nightmare Stevenson (or Squirrel, which is his surname) is one of the main characters of Exclamation, USA!. He is a sadistic god of another planet - but he is not considered an alien. He is voiced by Matt Stone.

Trivia

 * Nightmare says his favorite color is pain.
 * Nightmare's planet follows him across the universe (at a much slower speed), often smashing into other planets as it flies.
 * Nightmare likes to make it rain strange objects. Some of his favorites are silly putty, sand, and nails.
 * If Nightmare is within one lightyear of his planet, he is omnipotent, and very giggly because of it.
 * The Roswell incident occurred because Nightmare's planet collided with an alien spaceship as it was speeding towards him.
 * Nightmare legally owns a 2007 Mini Cooper S. Nobody is sure why.
 * No one knows why he has a foster dad - he keeps it a secret.