Rob McElhenney has seen the online discourse around his name change and is chiming in. The Emmy winner, who made headlines for filing to legally change his name to Rob Mac last week, took to social media to “dedicate exactly one minute” to explaining why he took such significant measures.

Rob McElhenney’s new last name has high potential. But for his wife and “It’s Always Sunny in Philadelphia” co-star, Kaitlin Olson, she isn’t fazed by the switch-up from McElhenney to “Mac.” The actor filed to legally change his name last week and is waiting for the court to make it official.

Specifically, that It’s Always Sunny In Philadelphia and Mythic Quest co-creator Rob McElhenney had filed paperwork to legally change his name to “Rob Mac,” acting on a re-branding he’d floated a few weeks earlier in a Variety profile of himself and wife Kaitlin Olson.