Rob McElhenney has chosen to go by Rob Mac publicly, and Kaitlin Olson reveals how she feels about this change.

“They were like, ‘We don’t want to end it,'” Howerton recalled his co-stars saying. “And I was like, ‘Oh, well I can’t stop ...

This one "It's Always Sunny in Philadelphia" episode riffed on pop culture in so many hilarious ways. In fact, it was ...

Kaitlin Olson says her kids are "really not happy" about their dad Rob McElhenney changing his name. The 'It's Always Sunny ...

The new character in High Potential season 2 could spell trouble for Morgan, hinting at potentially turbulent territory for ...

Kaitlin Olson reacted to her husband, Rob McElhenney, changing his name to Rob Mac during an interview with PEOPLE at the 'It ...

While the actor and writer has since settled into a groove with the long-running series, there was a point where he was ...

Rob McElhenney’s new last name has high potential. But for his wife and “It’s Always Sunny in Philadelphia” co-star, Kaitlin ...

Olson and McElhenney, who play Dee and Mac on the FX sitcom, tied the knot in 2008 and went on to welcome sons Axel, 14, and ...

Plus, Charlie Day and Glenn Howerton tell TheWrap which other sitcom they'd love to cross over with after "Abbott Elementary.

Prepare to welcome a new series regular this fall!

Kaitlin Olson has assembled a list of 'tamer' It's Always Sunny in Philadelphia episodes for newcomers interested in watching ...