Mac has some significance, at least to McElhenney and his wife, Kaitlin Olson. It's the name of his "Always Sunny in Philadelphia" character, a show that will begin its 17th season in July.

Want the SparkNotes version of the long-running sitcom about the Paddy’s Pub gang? Here's your guide to all things "Sunny." ...

Say goodbye to Rob McElhenney — and hello to Rob Mac. The "It's Always Sunny in Philadelphia" star, 48, has filed to legally change his name to Rob Mac, a source close to the situation but not ...

Rob McElhenney knows changing his name to "Rob Mac" is a "kind of douchey" move, but he's doing it anyway! Last week, the It's Always Sunny In Philadelphia actor -- who was born Robert McElhenney ...

Rob McElhenney, soon to be known as Rob Mac, is defending the decision to change his last name. In a recent post on X, McElhenney shared a brief video explaining why he abridged his last name for ...