Kaitlin Olson says her kids are "really not happy" about their dad Rob McElhenney changing his name. The 'It's Always Sunny in Philadelphia' actor filed to legally change his name on June 26.

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 ...

Kaitlin Olson and her husband Rob McElhenney have a unique perspective on parenting. Find out what it is.

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

Season 17, Episode 1 of FX's "It's Always Sunny in Philadelphia," marks part two of its crossover event with ABC's "Abbott ...

Kaitlin Olson tells PEOPLE at the It’s Always Sunny in Philadelphia 20th Anniversary Celebration on Tuesday, July 1, how she feels about her husband changing his name On June 26, Rob McElhenney ...

At the time, McElhenney's wife, actress Kaitlin Olson, 49, shared that the couple's two kids — Axel, 14, and Leo, 13 — were not happy about the change. "The kids are really not happy about it, because ...

Some teachers walk into a bar…and meet one of television’s most iconic comedic gangs. It sounds like the setup to a bad joke, ...

Kaitlin Olson (second from right) disagrees with her husband, Rob McElhenney (center) about putting their kids on camera. Invision ...