DeVito has starred on It's Always Sunny in Philadelphia alongside McElhenney, Olson, Glenn Howerton and Charlie Day since 2005 for over 16 seasons. He recently spoke to PEOPLE in October about the FXX ...

On Sunday, Nov. 17, DeVito's It's Always Sunny in Philadephia costars Rob McElhenney and Kaitlin Olson celebrated the actor's milestone birthday with touching tributes shared on their social media ...

The Emmy winner celebrated his milestone birthday on Sunday, Nov. 17 Michael Buckner/Variety/Penske Media via Getty (L-R) Kaitlin Olson, Danny DeVito and Rob McElhenney. Danny DeVito turns 80! On ...

He could still give you the best advice you’ve ever gotten and make you feel loved no matter what,’ wrote McElhenney, as ...

Here’s to 80 more. I wouldn’t put it past him.” Glenn Howerton, Danny DeVito, Charlie Day, Rob McElhenney and Kaitlin Olson (Getty Images for Vulture Festiva) The cast of It’s Always Sunny ...

Rob McElhenney and the other stars of It’s ... There is only one @Danny DeVito.” On Instagram, Kaitlin Olson said: “Happy birthday to my favourite (rum) ham. Danny DeVito is everything ...