Classic: Carlin, Gallagher, Pryor
80's-90's: Eddie Murphy, Richard Jeni, Bobby Slaten, Louie Anderson (he used to be funny...seriously), Howie Mandel
More recent: Louis CK, Doug Stanhope, Eddie Izzard, Brian Regan, Jim Gaffigan
I saw Eddie Izzard here in Portland the other night. He's not in drag on this tour, but is still incredibly fucking funny.