What is David Letterman?
{{Infobox comedian | name = David Letterman | image = File:David Letterman with his Individual Peabody at the 75th Annual Peabody Awards (cropped).jpg | imagesize = | caption = Letterman at the Peabody Awards in May 2016 | birth_name = David Michael Letterman | birth_date = {{Birth date and age|mf=yes|1947|4|12}} | birth_place = [[Indianapolis]], [[Indiana]], U.S. | medium = [[Stand-up comedy|Stand-up]], [[television]] | nationality = [[United States|American]] | genre = [[Observational comedy]], [[surreal humor]], [[deadpan]] | influences = [[Johnny Carson]], [[Paul Dixon (entertainer)|Paul Dixon]], [[Steve Allen]], [[Jack Paar]] | influenced = [[Jimmy Kimmel]], [[Jim Gaffigan]], [[Jon Stewart]], [[Conan O'Brien]], [[Jimmy Fallon]] | website = | active = 1970–present | spouse = Michelle Cook (1968–1977; divorced)<br />Regina Lasko (2009–present,<br />1 child) | religion = [[Lutheranism|Lutheran]]<ref>{{Cite news| url=http://www.latimes.com/entertainment/news/la-et-letterman-critic3-2009oct03,0,2491746.story | work=Los Angeles Times | title=David Letterman comes clean without telling all | first=Mary | last= McNamara | date=October 3, 2009 | accessdate=January 12, 2014}}</ref> | notable_work = ''[[The David Letterman Show]]''<br/>(host, 1980)<br />''[[Late Night with David Letterman]]''<br/>(host, 1982-1993)<br />''[[Late Show with David Letterman]]''<br/>(host, 1993-2015) | signature = David Letterman Autograph.svg | module = {{Infobox comedian awards | child = yes | emmyawards = '''Outstanding Host or Hostess in a Variety Series'''<br />1981 ''[[The David Letterman Show]]''<br />'''Outstanding Individual Achievement&nbsp;– Writers'''<br />1981 ''[[The David Letterman Show]]''<br />'''Outstanding Writing in a Variety or Music Program'''<br />1984, 1985, 1986, 1987 ''[[Late Night with David Letterman]]''<br />'''Outstanding Variety, Music or Comedy Series'''<br /