That's Rob Mac to you.It's Always Sunny in Philadelphia star Rob McElhenney knows you think it's "kinda douchey" for him to change his name to Rob Mac, but here's the thing — he doesn't really care.The actor took to social media Tuesday to explain his decision in a characteristically comical video captioned simply,

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 those still scratching their heads over the news.

Rob McElhenney has officially shortened his name, despite mixed reactions from fans. The actor and comedian recently announced that he would now be known professionally as Rob Mac, citing years of people mispronouncing his surname. In a video posted to X, the It’s Always Sunny in Philadelphia creator addressed the shift.