Rob McElhenney and Kaitlin Olson
Rob McElhenney and Kaitlin OlsonOn-Screen: Olson and McElhenney run Paddy's Pub with "The Gang" as the self-centered Sweet Dee and Mac on It's Always Sunny in Philadelphia. Off-Screen: McElhenney and Olson married in 2008 and have two children, Axel Lee and Leo Gray. [Olson (Left) and McElhenney (Right) via]