Rob McElhenney — American Actor born on April 14, 1977,
Robert Dale "Rob" McElhenney is an American actor, director, producer, and screenwriter. He is best known for playing Mac on the FX comedy series It's Always Sunny in Philadelphia. He is a creator, developer, and executive producer of the show, which has also provided him with writing and directing credits on various episodes. In July 2015, it was confirmed that McElhenney would be directing the upcoming Minecraft movie for Mojang after being spotted at Mojang's convention, Minecon... (wikipedia)