Rob McElhenney started off acting with small roles in A Civil Action, Wonder Boys, and Thirteen Conversations About One Thing. However, it was his idea for a little show known as It's Always Sunny in Philadelphia that rescued him from a life as a waiter. Now McElhenney stars on the show as well as continues to write and occasionally direct.
McElhenney is now married to his co-star, Kaitlin Olson.