Wil Wheaton makes us laugh. He's seen here during his first appearance on The Big Bang Theory.
In this scene from an episode of The Big Bang Theory, Sheldon makes one thing very clear. The guy loves his Battlestar Galactica.

The Big Bang Theory Season 3 Episode 6 Quotes

Wolowitz: I would have caught up to her if I didn't pull my hammy
Raj: Oh please, you weigh 80 pounds, you don't have a hammy

Leonard just realized that Penny's been hiding him from her friends because he's a tiny little man who flies kites