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Robert Dale "Rob" McElhenney (pronounced /ˈmækɨl.hɛni/; born April 14, 1977) is an American film and television actor best known for his role as Mac on the FX TV series It's Always Sunny in Philadelphia. He is also credited as creator, developer, and executive producer of the show, which has also provided McElhenney with writing and directing credits on various episodes. McElhenney was born in Philadelphia, Pennsylvania. McElhenney attended Waldron Mercy Academy for grade school. He then went on to attend the prestigious Saint Joseph's Preparatory School in urban Philadelphia for high... MORE

Robert Dale "Rob" McElhenney (pronounced /ˈmækɨl.hɛni/; born April 14, 1977) is an American film and television actor best known for his role as Mac on the FX TV series It's Always Sunny in Philadelphia. He is also credited as creator, developer, and executive producer of the show, which has also provided McElhenney with writing and directing credits on various episodes. McElhenney was born in Philadelphia, Pennsylvania. McElhenney attended Waldron Mercy Academy for grade school. He then went on to attend the prestigious Saint Joseph's Preparatory School in urban Philadelphia for high school. Rob McElhenney made his film debut with a bit part in Alan J. Pakula's The Devil's Own and followed that up with bit parts in A Civil Action, Wonder Boys, and Thirteen Conversations About One Thing. He later had more substantial parts in Latter Days and The Tollbooth. McElhenney also played a small role in the eighth season Law & Order episode "Thrill". He was still waiting tables between acting assignments in 2004, when his manager and agent presented McElhenney's idea for a sitcom to the FX cable network, which received it warmly. McElhenney said that 50 weeks of each year are consumed by LESS