Evil Chell

Evil Chell is a character that originated from The Room of Reverse Portal. She was not defeated until room 23 (the room of IFDB).

Abilities

 * Immune to everything that is not done to her by GLaDOS (explaining the punch incident)
 * Can poison people with cardiotoxin

Villainous acts

 * Poisoned everybody with Cardiotoxin (parody of neurotoxin) that nearly killed MR Z BRAINZ
 * Poisoned many individuals in the room of reverse portal