Long before Hollywood brought Dracula, the Wolfman, Swamp Thing, and Jaws to the silver screen the legends behind these sinister creatures were part of folk lore in many regions around the world, and in some cases as far back as Greek and Roman times. Who were the real-life counterparts who sparked the imagination and brought terror to the hearts of those around them? The History Channel takes a look at many sources, including archival photography and the latest in scientific technology, on an expedition to uncover the origins of the fiends of the big screen.