Character from South Park, Karen McCormick is the youngest member of the McCormick family. She first appears as a background character in "Best Friends Forever". She later appeared in "The Poor Kid", where she played her first major role. Kenny is very protective of her, using his identity, Mysterion, to comfort her in hard times and keep her out of danger. Kenny's protectiveness as Mysterion extends to such a degree that she considers him her "guardian angel".
