Maleficent — Sleeping Beauty: When you’re dubbed the “Mistress of All Evil,” you pretty much guarantee yourself a spot on the Best Disney Villains of All Time list ... not to mention this bad-ass morphs into a dragon at the end of the movie. Really, the person we should be giving credit to here is Eleanor Audley, because she is the voice of Maleficent and the wicked stepmother in Cinderella. Talk about mastering your craft.