Danny DeVito in A Very Sunny Christmas (2009)

Kaitlin Olson and Glenn Howerton in A Very Sunny Christmas (2009)

Danny DeVito in It's Always Sunny in Philadelphia (2005)

Charlie Day in It's Always Sunny in Philadelphia (2005)

Danny DeVito, Charlie Day, Rob McElhenney, Kaitlin Olson, and Glenn Howerton in It's Always Sunny in Philadelphia (2005)

Preston Bailey and Danny Devito  It's Always Sunny In Philidelphia

Harley and Kaitlin Olson on the set of It's Always Sunny In Philadelphia.

Harley, Danny DeVito, director Fred Savage,Charlie on the set of It's Always Sunny In Philadelphia.

Danny DeVito, Charlie Day, Rob McElhenney, Kaitlin Olson, and Glenn Howerton in A Very Sunny Christmas (2009)