It's Always Sunny in Philadelphia star and creator Rob McElhenney revealed which of their jokes has aged the best over time.

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 ...

The long-running TV comedy series, “It’s Always Sunny in Philadelphia,” returns Wednesday, July 9 at 9 p.m. ET on FXX.

As It's Always Sunny in Philadelphia prepares to launch its 17th season, the Old City bar that was owned, in part, by series stars Rob McElhenney and Kaitlin Olson has called it quits.

Rob Mac (center left) with the core cast of “It’s Always Sunny in Philadelphia” including wife Kaitlin Olson (far right). To drive home the “silly” preoccupation with his name change ...

The It’s Always Sunny in Philadelphia star has officially filed to change his name to Rob Mac, his representative confirmed to Entertainment Weekly June 27. Why? Well, he just wants to make it ...

Although chaos often unfolds for the gang in ‘It’s Always Sunny in Philadelphia,’ many cast members have been happily married ...

Now the "It's Always Sunny in Philadelphia" star has filed to legally change his name to "Rob Mac," according to People. He and Olson, who co-star on the sitcom, also own a bar called Mac's Tavern ...

Say goodbye to Rob McElhenney — and hello to Rob Mac. The "It's Always Sunny in Philadelphia" star, 48, has filed to legally change his name to Rob Mac, a source close to the situation but not ...

McElhenney, co-creator of the long-running comedy series “It’s Always Sunny in Philadelphia,” has filed for a legal name change. TMZ first reported the news, which Variety confirmed.

A big change for Philadelphia's own Rob McElhenney after he legally changed his name to "Rob Mac." The star of "It's Always Sunny in Philadelphia" and co-creator of "Welcome to Wrexham" said too ...