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.

July 2 (UPI) --It's Always Sunny in Philadelphia creator and star Rob McElhenney is changing his legal name. The actor, 48, explained why he is now going by Rob Mac in a video he shared to ...

Rob McElhenney is breaking free from the mispronunciations. Stream NBC 5 for free, 24/7, wherever you are. The It’s Always Sunny in Philadelphia star has officially filed to change his name to ...