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 ...

Rob McElhenney is breaking free from the mispronunciations. The It’s Always Sunny in Philadelphia star has officially filed to change his name to Rob Mac, his representative confirmed to ...

Start the clock,” McElhenney said in the video as a 60-second timer appeared on screen. “Yes, I’m shortening my name to Rob Mac. Mostly a stage name, but I digress.

Rob McElhenney is legally changing his name to “Rob Mac” despite Ryan Reynolds creating a tune on how to correctly pronounce his last name. As for how Kaitlin Olson feels? Read on to see.