Eric Cartman

Eric Theodore Cartman, usually referred to as just Cartman, is one of the main characters, along with Stan Marsh, Kyle Broflovski, and Kenny McCormick. None of the other three main children really consider Cartman their friend and do not know why they started hanging out with him in the first place, but a certain form of unstable friendship ends up being born between them. However he is usually Kyle's first choice when he breaks his friendship with Stan.
==Background==
After somehow being transported to Gravity Falls, Eric Cartman is possesed by the ghost of the Martian Ambassador and starts to wreck havoc in the streets.