Fans of his hit sketch comedy series Chappelle Show may not know that Dave Chappelle began his stand-up career in Washington, DC at age 14 being chaperoned to gigs by his mother.Since then, he has grown into one of the biggest comedy figures with a "rare balance of depth and delivery" whose jokes are "painfully insightful".He has amassed an impressive body of work, appearing on the big screen in Undercover Brother, The Nutty Professor,