If you've ever seen Half Baked, then you already know how funny Jim Breuer is. But to get the full effect of his comedy, you have to catch one of his stand-up routines. The man is multi-talented. His arsenal has everything from great jokes, crazy true stories to some pretty outstanding impersonations. This clip from his 'Let's Clear The Air' special showcases just a few of his great impersonations, particularly Tracy Morgan and Sylvester Stallone. It's pure comedic genius!