The greatest stand up comics have all had one thing in common, they were funny comedians. And these are the funniest as voted on by many people. Be sure to look at the Stand-Up Hall of Fame too. It's not hard to say what makes a good stand up comic, whether they're an observationist, an orator, an absurdist, blue collar, or alternative they are all unique, hardworking and hilarious. Feel free to add your votes to this Crowd-Ranked list of the greatest stand ups of all time, or make your own contributing list and give your voice more weight in the calculations.
http://www.ranker.com/crowdranked-list/the-funniest-stand-up-comedians-in-entertainment,
Bill Cosby
Chris Rock
Dave Chappelle
Eddie Murphy
George Carlin
Louis C.K.
Mitch Hedberg
Richard Pryor
Robin Williams
Steve Martin