The 'It’s Always Sunny in Philadelphia' costars share two sons Kaitlin Olson and Rob McElhenney couldn’t be further from their unfiltered and crude characters on It's Always Sunny in ...

Kaitlin Olson Says Her and Rob McElhenney's Kids Adopted Their 'Horrifically Inappropriate' Humor: 'You Can't Say That at School' Canada’s Carney sends a message to Trump as he chooses Europe ...

When your parents are Kaitlin Olson and Rob McElhenney, it’s no wonder you’d be obsessed with their show It’s Always Sunny in Philadelphia, and that’s exactly what it’s like for their ...

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The couple is parents to Axel Lee, 14, and Leo Grey, 12 Mark Von Holden/Variety via Getty Images Kaitlin Olson's kids have inherited more than just their parents' genetics. The High Potential star ...

Kaitlin Olson's kids have inherited more than just their parents' genetics. The High Potential star, 49, appeared on a Wednesday, March 12, episode of Late Night with Seth Meyers and spoke about ...

Kaitlin Olson's kids have inherited more than just their parents' genetics. The High Potential star, 49, appeared on a Wednesday, March 12, episode of Late Night with Seth Meyers and spoke about how ...

Related: Rob McElhenney’s Son Saved Signed Tom Brady Trading Card amid ... Meyers, laughing, notes that it's hard to discipline their kid for watching the show when Olson and McElhenney are behind it.