Horror films or otherwise:
Norman Bates
Texas Chainsaw Massacre family
2 brothers and girl friend in "The Last House on the left"
Michael Myers
Jason Voorhees
Family from “The Devils Rejects”
"Jigsaw” twisted killer from the “Saw” series
Killer from “American Psycho”
kathy Bates character in "Misery"
Hannibal Lecter
The sickest people ever put on film picture gallery
Can you think of anyone more sick than these people? Let us know.