Tennis
Age: 28
Novak is one of the goofier elite athletes in the world. But he's also in phenomenal shape and shows more personality than Federer and Nadal.
No.37 Alyson Dudek
Speed Skater
Age: 25
Dudek won bronze in a relay in the last Olympics, at just 19 years old.
Look out for her at the Winter Olympics in Sochi, she's sure to stick out.