Who wold have thought that the guy from the movie "Good Burger" would have went onto such a huge career with "Saturday Night Live"? It happened for actor Keenan Thompson. He has been a staple on the show for 19 years now, making him the longest cast member on the show and over this past weekend he celebrated another SNL milestone... His 1500th sketch!
Here's some of Keenan's best SNL sketches.