David Michael Letterman (born April 12, 1947) is an American television host and comedian. He currently hosts My Next Guest Needs No Introduction with David Letterman on Netflix. He hosted the late night television talk show Late Show with David Letterman on CBS. Letterman also hosted Late Night with David Letterman on NBC. In 2013, Letterman surpassed friend and mentor Johnny Carson as the longest-serving late-night talk show host in TV history, at 31 years.
Letterman's ironic comedy is similar to comedians such as Andy Kaufman, Ernie Kovacs, and Tonight Show hosts Johnny Carson and Steve Allen.