This was a very fun game to play. I was surprised to find that I knew most of them right away without having to take any guesses. I expected to have to look them all up, but I didn't look any up. My answers are in a comment.
#TeamStoker
@TheReadingMermaid
Halloween - Michael Myers
Psycho - Norman Bates
Nightmare on Elm St - Freddy Krueger
Silence of the Lambs - Dr Hannibal Lector
The Ring - Sadako Yamamura
Hellraiser - Pinhead
The Shining - Jack Torrance
Saw - Jigsaw
Se7en - John Doe
The Fly - Seth Brundle
Misery - Annie Wilkes
Texas Chainsaw Massacre - Leatherface
Interview w. a Vampire - Lestat de Lioncourt
Child's Play - Chucky 5y