Rob McElhenney, American actor, producer, and screenwriter

Rob McElhenney

American actor and screenwriter (born 1977)

Robert McElhenney III, known professionally as Rob Mac, is an American actor, screenwriter, producer, and businessman. He is best known for his role as Mac on the FX/FXX comedy series It's Always Sunny in Philadelphia (2005–present), a show he created and co-developed with…