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.

"It's Always Sunny in Philadelphia" creator and star Rob McElhenney is changing his legal name to Rob Mac, and he took to Instagram to explain why.

M aybe it’s a stunt and maybe it’s not, but either way it’s real: Rob McElhenney is changing his name to Rob Mac. The It’s Always Sunny in Philadelphia star filed the paperwork to legally change his name in late June and will be credited as Rob Mac in all projects from now on,