Hard to go wrong with George Carlin and Bill Hicks. But I also enjoy a lot of English comedians...Eddie Izzard, Jimmy Carr and Frankie Boyle (the later two have zero boundaries).

Oh, and Tim Minchin, he's a bit of a modern day Victor Borge.

Billy Connelly's ireverance and observational humour up until around early 90s when he became an establishment icon. The abrasive Connelly was lost somewhere around then.

George Carlin

Ricky Gervais, Jim Gaffigan, Kevin Hart, Chris Rock, Dave Chapelle, Hannah Gadsby is new but quickly becoming a favorite, Russell Howard, so many. I just really love stand up... I sometimes think I'll try my hand at it.

Carlin and Bill Hicks. Both are needed more than ever right now.

Doug Stanhope .. not my favorite, but in my top 3. My favorites have already been represented.

I'm sorry to not answer as you ask, but had to share this here with you guys
(Cause you all are so kind and understanding)

Patton Oswalt, Gabriel Iglesias, Ron White and John Pinette are some of my favorites.

Gabriel Iglesias, Billy Connolly, Lewis Black, Kathleen Madigan, Robin Williams, Eddie Izzard, Trevor Noah, Patton Oswalt.

Louis Black, Bill Maher, Craig Fergerson, Wanda Sykes, Mums Mabely, Red Foxx, Rodney Dangerfield, Donald Trump, Jimmy Durante, Ron White, Jeff Foxworthy, Sam Kinison, Billy Chrystal, Allen King, Gilbert Gottfried for the simple reason that they all had all had a style of their own.

I don't know if Henry Rollins is technically a stand up comedian. I think he calls himself a spoken word artist. But he makes me laugh like no one else

It's got to be Bernie Mac for me!!

Seinfeld and Ricky Gervais

Lots of great stand-ups. David Brenner, Jerry Seinfeld, Rodney Dangerfield, Don Rickles, Gary Shandling, Carlin, Lewis Black, Billy Crystal, Williams, and Albert Brooks.

i have several. got steve martin's autograph in college. but of course richard pryor, sam kinison, richard jenni, rich schidner, carlin was the man. just to name several. thanks

A tie for me. Carlin to make you think, Pryor to make you feel. Jefferies is my favorite living comedian.

George Carlin.
I have others I enjoy very much, but Carlin was king.

Eddie Murphy raw and delirious