Danny DeVito's "Sunny" disposition

WARNING: VID POSTED BELOW IS NOT EXACTLY FAMILY-FRIENDLY

You've gotta give Danny DeVito credit for lending his considerable charm to FX's "It's Always Sunny in Philadelphia." At this stage in his career, a sitcom supporting role is hardly something he needs, but by all accounts DeVito loves the show and the creative forces behind it, namely creator/stars Rob McElhenney, Charlie Day and Glenn Howerton.

However, the truth is now emerging about another reason (let's just say it involves Vaseline) why he's been so willing to toil in basic-cable land. There's a certain third-season stipulation in DeVito's contract, as documented in this clever bit of viral marketing posted on Will Ferrell's FunnyorDie.com site. Even Rhea Perlman gets into the act. The humor on "Sunny" generally goes pretty far, but I think this one's a little randy even for them, which makes it perfect for the a bit of viral marketing to tubthump for the show's Sept. 13 preem.