Bad Boys – Part 1: The Modern Villain

I have a villain fetish. There, I said it. I like villains more than heroes, at least most of the time. Antagonists interest me because they challenge the hero. Questioning his motives, challenging his beliefs, denying his convictions. Echoing the serpent of Eden, true villains subvert the truth while questioning the hero’s convictions. Does that mean that a villain is founded on lies? Or is a good villain one who focuses solely on defeating the hero? What makes a good villain?