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.

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 ...

Kaitlin Olson reacted to her husband, Rob McElhenney, changing his name to Rob Mac during an interview with PEOPLE at the 'It's Always Sunny in Philadelphia' 20th Anniversary Celebration on July 1 ...

Kaitlin Olson is mostly known for acting in the popular TV series Hacks and High Potential. The actress' husband Rob McElhenney is a fellow actor who has made his name known through the TV series ...

“It’s Always Sunny in Philadelphia” stars Kaitlin Olson and Rob McElhenney have very different opinions about putting their two children on camera. Olson and McElhenney, who play Dee and Mac ...

NEED TO KNOW 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 ...

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.