ReDeads, specifically, Wind Waker's ReDeads. They were just so creepy and scary. I remember this one room that freaked me out. I was on a ledge, and looking down I could see a line of coffins curving around the wall beneath me. I knew that if I dropped down, the ReDeads would all come out and shuffle towards me, shrieking and dragging their bloated corpses towards me as I stood, shivering, too afraid to move. Man. It took me a long time to gather the courage to jump down.