When you're a famous tennis star, expect to be asked to do commercials—a lot. In Roger Federer's case, his commercials happen to be some of the funniest, and most unique, advertisements around. While the 36-year-old has appeared on TV too many times to count, these are five of the best that the world No. 2 has been in. In this ad, Federer has to bring a duffel bag full of Lindor truffle chocolates through airport security.