I'm sorry, but hands down Freddy Kruger is the most terrifying villian. For the fact the he can seriously never die and for a genuinely good reason. He lives in dreams, and you can't kill dreams. But dreams can kill you.
10 Fiendishly Clever Horror Movie Riddles to Tax Your Brains
Wes Craven's New Nightmare(1994)Directed by Wes Craven. With Heather Langenkamp, Robert Englund, Jeff Davis, Miko Hughes. A demonic force has chosen Freddy Krueger as its portal to the real world. Can Heather Langenkamp play the part of Nancy one last time and trap the evil trying to enter our world?