• 20 (number)
  20 (number)
  20 is the natural number following 19 and preceding 21. A group of twenty units may also be referred to as a score.-In mathematics:*20 is the basis for vigesimal number systems....
  
   in Roman numerals
• XX chromosomes, see XY sex-determination system
  XY sex-determination system
  The XY sex-determination system is the sex-determination system found in humans, most other mammals, some insects and some plants . In this system, females have two of the same kind of sex chromosome , and are called the homogametic sex. Males have two distinct sex chromosomes , and are called...
  
  
• XX (organization)
  XX (organization)
  The XX or simply The 20 are a fictional organization in both the XIII comic and game.-History:The XX was most likely formed by Number I with help from various other people as a patriotic militia...
  
  , a fictitional organisation in XIII
• Dos Equis , a brand of Mexican beer
• "XX" (CSI episode)
• Double Cross System
  Double Cross System
  The Double Cross System, or XX System, was a World War II anti-espionage and deception operation of the British military intelligence arm, MI5. Nazi agents in Britain - real and false - were captured, turned themselves in or simply announced themselves and were then used by the British to broadcast...
  
  , a British deception operation in the Second World War

• A Song for ××, an album by Ayumi Hamasaki
• The xx
  The xx
  The xx are an English indie pop band, formed in London in 2005. The band's members met while studying at Elliott School, the same school that produced Hot Chip, Burial and Four Tet. They became a trio when their second guitarist and keyboardist, Baria Qureshi, departed in late 2009. In September...
  
  , a British indie band
• xx (album)
  Xx (album)
  xx is the debut studio album by English indie pop group The xx, released on 17 August 2009 by Young Turks. The self-produced album was recorded at XL Studios in West London between December 2008 and April 2009. The album was awarded the 2010 Mercury Prize...
  
  , a 2009 album by The xx
• XX (album)
  XX (album)
  XX is the fourth major label album by industrial metal band Mushroomhead, released in 2001. Originally released through Eclipse Records, where Mushroomhead took classic tracks and re-recorded them. XX was entirely re-recorded and re-released on Universal Records later in the year...
  
  , a 2001 album by Mushroomhead
• Xiu Xiu
  Xiu Xiu
  Xiu Xiu is an American avant-garde group originally from San Jose, California. The band is the brainchild of singer-songwriter Jamie Stewart, who has been its only constant member since its inception in 2002. His current bandmate is Angela Seo...
  
  , an American rock band

• WrestleMania XX
  WrestleMania XX
  WrestleMania XX was the twentieth WrestleMania professional wrestling pay-per-view produced by World Wrestling Entertainment . It took place on March 14, 2004 at Madison Square Garden in New York....
  
  , a World Wrestling Entertainment pay per view in 2004

See also

• Tenbatsu! Angel Rabbie
  Tenbatsu! Angel Rabbie
  is an anime OVA.In the far away future, the unison of witchcraft and science brought great changesto mankind. On the moon, the elite of magic and science has been gathered and the...
  
  or XX Angel Rabbie, an anime series
• XX Teens
  XX Teens
  XX Teens, formerly Xerox Teens are a five-piece band from London. They began performing in London in 2004 and since then have released six singles and an EP. Their debut album Welcome To Goon Island was released on 28 June 2008 on Mute Records. It includes the songs "Onkawara/B-54", "Darlin'",...
  
  , a British pop-rock band
• X (disambiguation)
  X (disambiguation)
  -Language:*Chi , the twenty-second letter of the Greek alphabet, often used to abbreviate "Christ". Cf. Chi Rho*Kha, a letter in the Cyrillic alphabet*Ḫāʼ, a letter in the Arabic alphabet...
  
  
• XXX (disambiguation)