4. Will Ferrell
Years on Show: 1995-2002
Most Memorable Sketches: "More Cowbell," "Spartan Cheerleaders," "Celebrity Jeopardy," "Love-ahs in the Hot Tub"
Post-Show Career: If he only made Elf, Anchorman and Step Brothers he'd be set for life, but there's also Talladega Nights, The Other Guys and Old School. Now if he'd only get around to Step Brothers 2...