Danny DeVito and Charlie Day Danny DeVito and Charlie Day

His TV show is in its seventh season. He starred in a hit summer film. And his wife is having a baby! But this is no time to relax and enjoy the moment, as It's Always Sunny in Philadelphia star Charlie Day learned when he hosted Saturday Night Live for the first time. During his monologue, Day got a surprise visit from his Sunny co-star Danny DeVito, who said guys like him and Day have to work because they're not pretty boys. "You're a virgin, man. You gotta put out for these people," DeVito said. It pushed Day to sing a song and play some — as he called it — mediocre piano:

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Day picked up the mic again to play comedian Dirk "Jack-Knife" Cain for the upcoming Kings of Catchphrase Comedy special. The fake commercial also featured Seth Meyers as a Boston Powers and Maroon 5 lead singer Adam Levine getting attacked by a hawk (no really):

Day played Kim Kardashian's divorce attorney in the mocking E! special Kim's Fairytale Divorce, which not only took hits at the reality star's 72-day marriage, but also her parents' extensive face work and painted her soon-to-be-ex-husband as a caveman. No need to worry about Kim, though. "I'm single and there's a NBA lockout ...":

Charlie Day, Emma Stone and Jason Segel to host Saturday Night Live

SNL also parodied the economic crisis in Greece. In the sketch, the Greek gods convened to solve the problem only to learn that there's never been any Greek god of finance. Dionysus, the god of festivals and drunkenness, has the spending part down, but never learned about the concept of saving money: