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

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."

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.

Jun 28, 2025 · Rob McElhenney has filed to change his legal name to “Rob Mac.” Action Images via Reuters. The shortened first and last name brings him much closer to his aggressively dopey beer …

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...

Robert McElhenney III, also known professionally as Rob Mac, is an American actor, screenwriter, producer, director, and businessman. He is best known for his role as Mac on the FX/FXX comedy …

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.

Jun 29, 2025 · Rob McElhenney has filed legal documents to change his name. The actor reportedly signed the docs Thursday requesting that his surname be changed to Mac — so his new name will …

Jul 12, 2023 · Rob McElhenney is opening up about his new diagnosis of "neurodevelopmental disorders and learning disabilities.” The It’s Always Sunny in Philadelphia star, 46, shared the news …