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

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 comedy's upcoming crossover episode with ABC hit Abbott Elementary.

Wrexham FC star, Rob McElhenney, has praised Hollywood legend, Danny DeVito on his 80th birthday as the Batman Returns actor shows no signs of stepping away from the spotlight