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 ...

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.