Robert McElhenney III (/ ˈmækəlhɛni / MAK-əl-hen-ee; born April 14, 1977), also known professionally as Rob Mac, is an American actor, screenwriter, producer, and businessman.

Rob Mac was born on 14 April 1977 in Philadelphia, Pennsylvania, USA. He is a writer and producer, known for It's Always Sunny in Philadelphia (2005), Mythic Quest (2020) and Latter Days (2003).

Jun 29, 2025 · "It's Always Sunny in Philadelphia" star Rob McElhenney has filed to legally change his name. Here's his new name and why he chose it.

Jul 2, 2025 · Rob McElhenney is getting candid about changing his name. The It’s Always Sunny in Philadelphia star and creator, 48, filed to legally change his name to "Rob Mac."

Jul 1, 2025 · Rob McElhenney has reportedly decided to officially change his legal name to the more simplified Rob Mac.

Jul 2, 2025 · Rob McElhenney isn’t making any apologies over his decision to change his name, but he is making a few jokes about it. The “It’s Always Sunny in Philadelphia” star addressed the move amid...

Jun 30, 2025 · Actor Rob McElhenney has filed to legally change his name to Rob Mac after concerns those he’s doing business with in “other regions of the world” won’t be able to pronounce his original...

Jun 30, 2025 · Now the “It’s Always Sunny in Philadelphia”star has filed to legally change his name to “Rob Mac,” according to People. He and Olson, who costar on the sitcom, also own a bar called …

Jun 30, 2025 · Rob McElhenney is breaking free from the mispronunciations. The It’s Always Sunny in Philadelphia star has officially filed to change his name to Rob Mac, his representative confirmed to...

Jun 29, 2025 · Now it’s time for a new era of Rob — Rob Mac. McElhenney, co-creator of the long-running comedy series “ It’s Always Sunny in Philadelphia,” has filed for a legal name change.