Another example...someone who believes that notions of order and virtue are nothing but illusions, whilst chaos, violence and mayhem are the norm. Case in point...Cletus Kasady, better known as Carnage. I mean, yes, I know that people would argue that the Joker would better fit this category, but the Spider-Man/Batman crossover showed that their methods are quite different. Carnage favors numbers and actually seeing his crimes up close, whereas the Joker prefers a more "artistic" and "theatrical" approach to his crimes. Just to give you an idea, here's a panel from Amazing Spider-Man #363: