Mister X or Mr. X is commonly used as a pseudonym for someone whose name is secret or unknown. Mister X may refer to:

Comics

Mister X (Marvel Comics) Mister X is a fictional character, a supervillain appearing in American comic books published by Marvel Comics. The character was introduced in ''Wolverine (comic book), Wolverine'' vol. 2 #159 (Feb. 2001). His Henchman, henchmen include T & A (n ...

, a supervillain in the Marvel Universe * ''Mister X'' (Vortex), the protagonist in Dean Motter's comic book series of that title *

The Amazing Mr X (comics) The Amazing Mr X was a British comics character who appeared in British children's magazine '' The Dandy'' from 1944 to 1945. The character is regarded as Britain's first superhero. The comic was drawn by Jack Glass, and reappeared drawn by Dudley ...

, Britain's first superhero, who first appeared in ''The Dandy'' comic in 1944

Video games

* Mr. X (''Resident Evil''), antagonist first appearing in the 1998 video game ''Resident Evil 2'' * A villain in the video game series ''

Streets of Rage ''Streets of Rage'' is a series of side-scrolling beat 'em up video games, centering on the efforts of several ex-police vigilantes trying to rid a fictional, large American city from a crime syndicate that has corrupted its local government. ...

'' * The villain in the video game '' The Ship'' * The final villain in the video game '' Kung-Fu Master'' * The pseudonym of Dr. Wily in '' Mega Man 6'' **Xander Payne, a character from the ''Mega Man'' Archie comics * The pseudonym of Olga Gurlukovich during the Big Shell Incident in '' Metal Gear Solid 2: Sons of Liberty''

Film and television

* ''Mister X'' (1958 film), a 1958 Soviet musical film directed by Yuli Khmelnitsky * ''Mister X'' (1967 film), a 1967 Italian superhero film directed by Piero Vivarelli also known as ''Avenger X'' * ''Mr. X'' (1987 film), a 1987 Bollywood sci-fi film starring Amol Palekar directed by Khwaja Ahmad Abbas * ''Mr. X'' (2015 film), a 2015 Bollywood sci-fi film starring Emraan Hashmi * Mr. X, a recurring puppet on '' The Canadian Howdy Doody Show'' * Mr. X, a recurring arch-criminal of comic Arabic films played by

Fouad el-Mohandes Fouad Zaki Mohamed el-Mohandes ar, فؤاد زكي محمد المهندس; known as Fouad el-Mohandes (or Fuad el-Mohandess; ar, فؤاد المهندس; September 6, 1924 – September 16, 2006) was an Egyptian stage and screen actor, and st ...

* Mr. X, in the animated series ''

The X's ''The X's'' is an American animated television series created by Carlos Ramos for Nickelodeon. The series centers on a family of spies who must conceal their identity from the outside world, but often have trouble in doing so. It had a single ...

'' * Mr. 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-Files'' * '' The Amazing Mr. X'', a.k.a. ''The Spiritualist'', a 1948 thriller film * Mr. X, the main character in the 1940s and 1950s radio and TV series '' The Man Called X'' * Mr. X, an assassin in the 2008 film '' Wanted'', played by David O'Hara * Mr. X, a character who appears in the ''Fringe'' episode " Lysergic Acid Diethylamide" * Mr. X, the pseudonym for Goofy in the animated short '' Aquamania'' * Mr. X, a ''Teenage Mutant Ninja Turtles'' character associated with

Mondo Gecko ''Mighty Mutanimals'' is a superhero team spin-off comic in the Teenage Mutant Ninja Turtles franchise. The team first appeared in the comic books series ''Teenage Mutant Ninja Turtles Adventures'', where they formed as a team of mutant animal ...

* The placeholder name the farmer is given when he gets amnesia in the ''

Shaun the Sheep Movie ''Shaun the Sheep Movie'' is a 2015 stop-motion animated adventure comedy film based on the 2007 British television series ''Shaun the Sheep'', created by Nick Park, in turn a spin-off of the ''Wallace and Gromit'' film, ''A Close Shave'' (1995). ...

'' * Mr. X, a secondary character in ''Big Time Rush'' * Mr. X (''Amphibia'' character), a character in ''Amphibia'' ** "Mr. X" (''Amphibia'' episode), the character's eponymous debut episode

Music

Mister X (band) Mister X are a Belarusian street punk band formed in Grodno, West Belarus, in 2003 by Igor Bancer and Boris of Oi! Bombers. They openly identify as SHARP and belong to the small, but healthy and growing anti-racist skinhead scene in Belarus. T ...

, 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 The Invisible Girls were a British rock band, formed in Salford, Greater Manchester in 1978, to provide a musical backdrop to the recorded output of Salford punk poet John Cooper Clarke. The band's nucleus was Joy Division and New Order produc ...

* Mister X, a character in the operetta ''

Die Zirkusprinzessin ' (''The Circus Princess'') is an operetta in three acts by Hungarian composer Emmerich Kálmán to a German libretto by Julius Brammer and Alfred Grünwald. It premiered at the Theater an der Wien in Vienna on 26 March 1926 and went on to 344 p ...

'' (''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 ''Enai Noki Paayum Thota'' () is a 2019 Indian Tamil-language action thriller film written, directed and co-produced by Gautham Vasudev Menon. The film features Dhanush, Megha Akash, Sasikumar and Sunaina. The film began production in March ...

'' * Mr. X, drummer formerly in the band

The Meatmen The Meatmen are an American punk band headed by Tesco Vee, originally existing from 1981 to 1988, before reforming in the mid-1990s, and again in the 2000s. They were known for their outrageous stage antics and offensive lyrics. They reformed in ...

* Mr. X, a character from '' God in Three Persons''

Pseudonymous uses

Donald Graves (Kremlinologist) Donald Edward Graves (Mr. X) (April 10, 1929 – July 2, 2008) was a State Department analyst who specialized in studying the government of the USSR. As a Kremlinologist, Donald Graves tracked the personal history of individual Soviet officials. ...

(1929–2008), U.S. State Department analyst, from the 1982 Washington Post article "The Secret Files of Mr. X" *

George F. Kennan George Frost Kennan (February 16, 1904 – March 17, 2005) was an American diplomat and historian. He was best known as an advocate of a policy of containment of Soviet expansion during the Cold War. He lectured widely and wrote scholarly histo ...

(1904–2005), American historian, in his essay "The Sources of Soviet Conduct" *

Carl Sagan Carl Edward Sagan (; ; November 9, 1934December 20, 1996) was an American astronomer, planetary scientist, cosmologist, astrophysicist, astrobiologist, author, and science communicator. His best known scientific contribution is research on ext ...

(1934–1996), American astronomer, in an essay on his experiences with marijuana *

Norman Wexler Norman Wexler (August 16, 1926 – August 23, 1999) was an American screenwriter whose work included films such as ''Saturday Night Fever'', ''Serpico'' and ''Joe''. A New Bedford, Massachusetts native and 1944 Central High School graduat ...

(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 Ben Zygier was an Australian-Israeli citizen who was a veteran of the Israel Defense Forces and allegedly an agent of Mossad. He was imprisoned in Ayalon Prison, Ramla, Israel and died in custody in 2010, reportedly by hanging himself in a maxi ...

, a prisoner who was held in Israel * The former longtime boyfriend of American radio talk show host,

Robin Quivers Robin Ophelia Quivers (born August 8, 1952) is an American radio personality, author, and actress, best known for being the long-running co-host of ''The Howard Stern Show''. Early life Quivers was born on August 8, 1952, in Baltimore, Maryla ...

Other uses

* Aeros Mister X, a Ukrainian paraglider * "Mr. X", nickname of American golfer

Miller Barber Miller Westford Barber, Jr. (March 31, 1931 – June 11, 2013) was an American professional golfer who enjoyed significant success on the PGA Tour in the 1960s and 1970s, and a greater degree of success on the Senior PGA Tour (now the Champions T ...

(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 Jerry Bibb Balisok (September 8, 1955 – April 18, 2013) was an American professional wrestler known as Mr. X, and an FBI fugitive. He is best known for skipping bail, faking his own death, and convincing law enforcement officials he died in t ...

* Mr. X, a masked professional wrestler in the WWF in the 1980s, one of the identities of Dan Marsh * ''Mr. X'' (Straub novel), a novel by Peter Straub * Mr. X, a player character in the board game ''

Scotland Yard Scotland Yard (officially New Scotland Yard) is the headquarters of the Metropolitan Police, the territorial police force responsible for policing Greater London's 32 boroughs, but not the City of London, the square mile that forms London's ...

'' and its spin-off, ''Mister X'' * Mister X, an alias used by Mayuka Kondō in the manga and anime series, ''