Andy Kaufman was an entertainer.
Andy Kaufman . ... My only promise is that I will try to entertain you as best I can . '' After working in small comedy clubs in the early 1970s , Kaufman first came to the attention of a wider audience in 1975 , when he was invited to perform portions of his act on the first season of Saturday Night Live . During this time , he continued to tour comedy clubs and theaters in a series of unique performance art / comedy shows , sometimes appearing as himself and sometimes as obnoxiously rude lounge singer Tony Clifton . He was also a frequent guest on sketch comedy and late-night talk shows , particularly Late Night with David Letterman .