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

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

"I'm legally Olson McElhenney, but I go by Olson, so I don't really have to change anything," she tells PEOPLE of her husband ...

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

Rob McElhenney and Kaitlin Olson met on the set of 'It's Always Sunny in Philadelphia' in 2006. They're now married and share two sons. Here's a complete timeline of their relationship.

Rob McElhenney and his wife Kaitlin Olson debunk cheating rumors with humor, proving their 17-year marriage remains strong.

Kaitlin Olson opened up about her family's reaction to spouse Rob McElhenney’s name change, saying their kids didn’t take the ...

Rob McElhenney announced in May that he would be shortening his name to "Rob Mac" and has now explained his reasons for the ...

Rob Mac signed documents to legally change his name on June 26, shortening it from Rob McElhenney. The It's Always Sunny in ...

Rob McElhenney's wife, Kaitlin Olson, ... 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.