A few years ago, we had a developer who would come in early and leave by four almost every day. I can't remember how exactly it started, but we would put up a picture of a different dragon on his cube wall almost every night.

He was a pretty laid back/passive guy, so we took bets on how many pictures there would be on his walls before he took one down.

3 dragon figurines on his cube walls and 11 full color pages later, we had a winner.