Rob Mcelhenney

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FILE - In this Aug. 3, 2010 photo, Actress Kaitlin Olson, from "It's Always Sunny in Philadelphia", participates in a panel discussion at the F/X Television Critics Association summer press tour in Beverly Hills, Calif., Olson and Rob McElhenney (MAK'-uh-lay-nee) of "It's Always Sunny in Philadelphia" hit a home run with their new baby boy. A spokeswoman for the couple says Olson gave birth to Alex Lee McElhenney at home in the Los Angeles area Wednesday. He weighed in at 8 pounds, 7 ounces _ and forced his parents to miss a Philadelphia Phillies victory. (AP Photo/Matt Sayles)