Mister X or Mr. X is commonly used as a pseudonym for someone whose name is secret or unknown.
Mister X may refer to:
Mister X (Marvel Comics), a supervillain in the Marvel UniverseMister X (Vortex), the protagonist in Dean Motter's comic book series of that titleThe Amazing Mr X (comics), Britain's first superhero, who first appeared in The Dandy comic in 1944
Mr. X (Elite Beat Agents), a character from the Elite Beat Agents seriesMr. X (Streets of Rage), the villain in the video game series Streets of RageThe villain in the video game The ShipThe final villain in the video game Kung-Fu MasterThe pseudonym of Dr. Wily in Mega Man 6, which was later applied to the Archie Mega Man character Xander Payne.The pseudonym of Major Grigori Agabekov in KGBThe pseudonym of Olga in Metal Gear Solid 2T-103, AKA Mr. X, a Tyrant beast in Resident Evil 2The Multi-billionaire owner of stunt island in Lego Stunt RallyFilm and television
Mister X (1958 film), a 1958 Soviet musical film directed by Yuli KhmelnitskyMister X (1967 film), a 1967 Italian superhero film directed by Piero Vivarelli also known as Avenger XMr. X (1987 film), a 1987 Bollywood Sci-Fi movie starring Amol Palekar directed by Khwaja Ahmad AbbasMr. X (2015 film), a 2015 Bollywood movie starring Emraan HashmiMr. X, a recurring puppet on The Canadian Howdy Doody ShowMr. X, a recurring arch-criminal of comic Arabic films played by Fouad el-MohandesMr. X, in the cartoon series The X'sMr. X, a villain in the anime series Lupin III.Mr. X (Simpsons), Homer's pseudonym in the Simpsons episode "The Computer Wore Menace Shoes"X (The X-Files), a character in the television series The X-FilesThe Amazing Mr. X, a.k.a. The Spiritualist, a 1948 thriller filmMr. X, an assassin in the 2008 film Wanted, played by David O'HaraMr. X, another name for the Observer 'September' in the television series FringeRefers to another character who appears in the Season 3 episode "Lysergic Acid Diethylamide" from FringeMr. X, the pseudonym for Goofy in the animated short AquamaniaTwo characters in various Teenage Mutant Ninja Turtles animated series associated with Mondo GeckoA crime boss/terrorist in the 1987 cartoonAn alias for the character Xever Montes/Fishface in the 2012 cartoonThe placeholder name the farmer is given when he gets amnesia in the Shaun the Sheep Movie
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
Donald E. Graves (1929–2008), American Kremlinologist, 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 marijuanaNorman Wexler (1926–1999), American screenwriter, in Bob Zmuda's Andy Kaufman RevealedGaston Defferre (1910–1986), French Politician, using this pseudonym during the 1965 Presidential ElectionsBen Zygier, a prisoner who was held in IsraelThe former longtime boyfriend of American radio talk show host, Robin Quivers
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 MackeyMr. X, a masked professional wrestler in the WWF in the 1970s, one of the identities of Jerry BalisokMr. X, a masked professional wrestler in the WWF in the 1980s, one of the identities of Dan MarshMr X, a novel by Peter StraubMr. X, a player character in the board game Scotland Yard and its spin-off, Mister XMister X, an alias used by Mayuka Kondō in the manga and anime series, Oniichan no Koto Nanka Zenzen Suki Janain Dakara ne!!
