You know him as the principal from Mean Girls, but before then, he spent a decade on SNL, playing characters like Leon Phelps the "Ladies Man." Meadows also specialised in celebrity impersonations, including OJ Simpson, Oprah, Michael Jackson, and Tiger Woods. Since ending his regular tenure on SNL, he's become a staple of the comedy film and TV world, with his most recent role being as a parrot-owning guidance counselor on The Goldbergs.