Christine is a defective saw that starts up without warning. Mr. Chop saw warning cookie about her telling him that she is a bad saw despise of his warnings he accidentally let Christine out thought that his story was just fake but as he turned around she escaped wild freely which realize he made a mistake he tries to find her before mr.chopsaw find out that cookie was the one who let her out of the cage thought She was seemingly harmless which begins to show her true colors as she begins to chase him around the school and purposely She tried to kill Cookie and nearly almost succeeded.