Evil brings out the best in people. Yes, you read that right. Without true evil to fight, Superman would spend his life getting cats out of trees. If an object did not absorb some of the light that falls on it, and cast no shadow, it would be invisible. And this is the philosophy of some villains. Yeah, their job is thankless and unpopular - but they press on yet, casting the shadows by which the path of truth is shaped. Examples of Good Needs Evil include: