episode), the character's eponymous debut episode Music Mister X (band), a street punk group from Belarus "Mr X", a song by Ultravox from their album Vienna "Mr X", a song and single by Pauline Murray And The Invisible Girls Mister X, a character in the operetta Die Zirkusprinzessin (The Circus Princess) by Emmerich Kálmán Mr.X, American DJ also known as Afrika Islam Mr. X, mystery music composer of the film Enai Noki Paayum Thota Mr. X, drummer formerly in the band The Meatmen Mr. X, a character from God in Three Persons Pseudonymous uses Donald Graves (Kremlinologist) (1929–2008), U.S. State Department analyst, from the 1982 Washington Post article "The Secret Files of Mr. X" George F. Kennan (1904–2005), American historian, in his essay "The Sources of Soviet Conduct" Carl Sagan (1934–1996), American astronomer, in an essay on his experiences with marijuana Norman Wexler (1926–1999), American screenwriter, in Bob Zmuda's Andy Kaufman Revealed Gaston Defferre (1910–1986), French Politician, using this pseudonym during the 1965 Presidential Elections Ben Zygier, a prisoner who was held in Israel The former longtime boyfriend of American radio talk show host, Robin Quivers Other uses Aeros Mister X, a Ukrainian paraglider "Mr. X", nickname of American golfer Miller Barber (1931–2013) Mr. X, a masked professional wrestler in the 1930s and 1940s, one of the identities of Cyclone Mackey Mr. X, a masked professional wrestler in the WWF in the 1970s, one of the identities of Jerry Balisok Mr. X, a masked professional wrestler in the WWF in the 1980s, one of the identities of Dan Marsh Mr X, a novel by Peter Straub Mr. X, a player character in the board game Scotland Yard and its spin-off, Mister X Mister X, an alias used by Mayuka Kondō in the manga and anime series, Oniichan no Koto Nanka Zenzen Suki Janain Dakara ne!! See also Doctor X (disambiguation) Miss X (disambiguation) Professor X (disambiguation) Nomen nescio (often abbreviated as N.N.) John Doe X (disambiguation) Anonymity pseudonyms