Ever had a horror movie stick with you for decades? Even John Carpenter—creator of *Halloween* and *The Thing*—has one: 1968’s *Night of the Living Dead*. Back then, he took his girlfriend to see it, and she was so freaked out it stuck with him too. He says the effects don’t hit as hard now, but the core idea—relentless zombie hordes, loved ones turning into monsters—is timeless. This film invented the modern zombie genre. What’s the horror movie that left a permanent mark on you? Drop it in the comments—I’m adding to my watchlist (and might sleep with the lights on tonight!).