The clown.
Shaco, the Demon Jester. Oh yes. This homicidal son of a gun is very weird in game and even in his splash art. You see, he kills everyone around him and he kept on smiling. The boxes are his magic. And he can create a copy of himself. He kept on smiling like nothing just happened. Oh just how lovely you can see his art in killing. Lovely and beautiful. Be careful though, he bites.