Freddy from ”Elm Street”. Jason from “Friday”. The Critters from “Critters” (maybe them not so much). The killers and ghouls who haunt the American horror filmscape are varied in origin, appearance, motivation, and method. They do however have one thing in common: Keeping us captivated and frightened by their grotesquerie and murderous intent. Many of these fiends, supernatural and otherwise, have become some of the most recognizable icons in all of cinema. Lets look at the five most terrifying of the lot.