You can spot them cracking up the crowd in the pub, sending the audience on a hysterical frenzy on your TV, or getting a packed arena guffawing wild. Meet entertainment's new stage moguls – stand-up comedians! They are the next wave of mic-wielding LOL merchants. There is little denying that standup comedians are the biggest fun in the entertainment circuit. And with the trade experiencing a boom period, there is little stopping them now from tickling world's ribs. They are the boundary breakers, keepers of real freedom of speech. They take some of the vilest and unsettling aspects of human nature and turn it into thought-provoking -- or at least spit-take-provoking -- laughter. While comedy is very, very subjective, there are certain things that makes stand-up act so entertaining. America has seen different types of comedians who have stepped behind a microphone over the years. We bring you a collection of biographies of some of the greatest American stand-up comedians in history. Explore the section for timelines, life stories and interesting trivia & facts related to their lives.