Gotta be Norman wisdom (does he count? made me laugh like crazy since I was two) George Carlin and Bill Hicks are legends and I like Tommy Tiernan in small doses.
I might check out some of the ones you guys recommended, I haven't been put wrong on this site yet
Dead-Rodney Dangerfield (I'm such a loser...a guy tried to mug me with an electric razor...I laughed until I realized I was standing next to an outlet); Henny Youngman (take my wife, please...); Jackie Vernon (a wet bird never flies at night) Inactive-Billy Crystal; Woody Allen Current-Lewis Black (Mr. Righteous Indignation); "Old" Carlos Mencia;
Movies-Marx Brothers; Woody Allen; Jim Carrey; Laurel and Hardy
Daniel Tosh
Dave Chappelle
Chris Rock
Eddie Murphy
Bill Hicks
George Carlin
Rodney Dangerfield
Don Rickles
Actors/Actresses ...
Anna Faris (this generation's Goldie Hawn)
Jim Carrey
Leslie Nielson
Steve Martin (triple threat in his youth, still a double threat as a musician)
Chevy Chase
Bill Murray
Goldie Hawn
Bill Shatner (much of it unintentional)
W.C. Fields