8. Amy Poehler, Kristen Wiig, and Maya Rudolph on Saturday Night Live
While we don't condone cheating on your lady, we totally get where Santa is coming from on this one. The dude gets one day a year to get away from the house, away from the ol' lady, and away from the thousands of little people he's forced into slavery. It's kind of understandable that he'd try to score three mistresses, and who better than three ladies who are used to staying up past midnight to perform?