As the only "SNL" cast member to have ever played Michelle Obama, we just knew Maya Rudolph would be spoofing the First Lady when she hosted the show this weekend - but we definitely didn't see this coming.Both the classic intro and set of "The Cosby Show" are parodied to perfection in this sketch, wherein Michelle Obama introduces us to her latest commitment to fighting childhood obesity: a sitcom starring her family, their secret service agents and Joe Jamal-Biden.