Lucifer. Darth Vader. Voldemort. Gru. Literature is filled with heroes, but also memorable villains. And why not? The uncomfortable truth is that, for many of us, villains and evil are much more interesting than heroes and good. It’s easy to identify the hero—the good—in a narrative. Heroes are predictable and idealistic. Villainy, on the other hand, leads us to ask questions: Why? What next? Can evil tactics get more results than good ones?