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Double X

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"There's already two Xs in Xbox, you dozy gits, this name's starting to look like a defaced game of Tic-Tac-Toe!"

A variant of Xtreme Kool Letterz, seen used in both work titles and in names.

The letter X is already fascinating and cool, so double the X, double the awesomeness! Right? Much like Xtreme Kool Letterz, it's often meant to evoke badassery, or lend the show an air of youthful hipness and coolness. Alternatively it's often associated with Porn Names, especially when you add a third Xs. Tripling the Xs is also associated with moonshine.

How exxactly are you supposed to pronounce this is usually unclear.

Not to be confused with The xx, though they are an exxample of this trope.


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  • The Most Interesting Man in the World doesn't always drink beer, but when he does, he prefers Dos Equis (XX ). Stay thirsty, my friends.

    Anime and Manga 
  • After War Gundam X has, of course, the Mid-Season Upgrade MS, the "Gundam Double X". However, this is justified in that it was designed to possess double the firepower of the Gundam X, as well as two Sattelite Cannons, essentially making it twice the Gundam the X was. It's also played with in that despite its pronunciation, "XX" appears nowhere in its name or designation.
  • However, the designations of the Gundams in Mobile Suit Gundam Wing play this straight, with all of their alphanumerics beginning with "XXXG".
  • DARLING in the FRANXX, after the titular mecha, in turn named after their creator Dr. Franxx. The XX turns out later to have grater significance: chromosomes. Klaxosaurs and Franxx alike are built of bio-metal with entirely XX DNA. Dr. Werner Frank changed his name after meeting the Klaxosaur Princess and going loopy for her.
  • Love Gene XX: is a sci-fi yuri romance set in a futuristic Lady Land- in this case the "xx" refers to the fact that the love interests (and all other characters) have XX chromosomes.

    Card Games 

    Comic Books 


  • The Taxxons from Animorphs.
  • When Max Barry wrote the book Syrup, he authored it under a byline of "Maxx Barry". When he wrote Jennifer Government, he considered making it 3 Xs before settling back on 1.
  • The Star Wars Expanded Universe gives us a character with the alias Teh Roxxor.
  • A story in Carl Sandburg's Rootabaga Tales features a young woman with a fondness for suitors with Xs in their names: she sequentially dates men with the last names Bixby, Axenbax...and Sixbixdix.

    Live-Action TV  
  • The spaceship Lexx, from a series of the same name.
  • German game show GoXX.
  • The German show Reläxx.
  • The main character (and host) of Double the Fist, Steve Foxx.
  • In one episode of How I Met Your Mother, a fake magazine (featuring women bodybuilders) called Muscle Sexxy is mentioned.

  • Scooter's lead vocalist H.P. Baxxter, whose real name is actually Hans Peter Geerdes. H.P. first started using the surname Baxxter back in the 80s when he was part of the synthpop group Celebrate The Nun, and it was no-doubt chosen because of gothic coolness associated with the double x.
  • Underworld's Born Slippy (N.U.X.X.)
  • They Might Be Giants' "S~E~X~X~Y", which is always pronounced as the 5 letters. Not explained, except "because it's extra, baby".
  • The xx named themselves after this, although they were originally X until they realised there were other bands with that name (their album cover was kept the same).
  • 2020's Korean Pop group NMIXX, and yes they admit the double-x is meant to evoke coolness.
  • There are numerous bootleg compilations called Ultra Rare Traxx or Trax. Calling them 'Traxx' was a way of disguising the fact that they weren't always songs.
  • Outkast's Speakerboxxx/The Love Below.
  • Nikki Sixx of Mötley Crüe, Sixx:A.M., etc.
  • Basement Jaxx
  • New Wave rock band The Fixx are an enforced example. The band were performing as The Fix when they started negotiating their first major label record deal, but MCA refused to sign them with that name because of the drug connotations. Adding a second x was an acceptable compromise for both sides, and the deal was struck.

    Professional Wrestling 
  • The infamous Axxel, although in this case it is almost certainly Writing Around Trademarks, as his infamy comes from his uncle, El Hijo Del Santo's, attempts to end his career, often with threats of legal action against promotions that book him.
  • When WCW signed the USWA wrestler Max Pain, he of course became Maxx Payne, because the regular spelling apparently wasn't hardcore enough for the 1990s. This is also where the 1-2-3 Kid became Syxx.
  • WCW also had Maxx Muscle, a bodyguard for Diamond Dallas Page, who later joined the Dungeon of Doom.
  • Dropkixx Promotions, an enterprise based in London of the UK. Among the title belts they hosted defenses of was the NWA United Kingdom Junior Heavyweight Title, which was once won by Beau Jaxx...
  • Sexxxy Eddy of Canada's International Wrestling Syndicate, then nCw, then CZW...
  • Miss Rachel was known as Pandora Boxxx when she wrestled in France and The UK, prior to being defeated by and marrying LT Falk, then relocating to the southern USA.
  • Jorge Estrada, who wrestled for NWA Wildside and ECW. A Latin Heartthrob so Hexxy they had to spell it with two xs.
  • Magnitude Kishiwada and Gamma teamed as "FluXxx" in Osaka Pro and Dragon Gate.
  • Jaimy CoxXx, most commonly wrestling in the Detroit based XICW, although his suggestive name unsurprisingly comes from Juggalo Championship Wrestling.
  • Nikki Roxx of the Killer Babes, Pretty Bitchin and Daffney's All Star Squad...or Roxxi Laveaux to you TNA fans. No relation to NWA World Women's Champ Tiffany Roxx...
  • Julie The Red Fuxxx, a miscreant from south of the boarder who became the female face of northern Championship wrestling, prior to the Femme Fatales Spin-Off built around LuFisto(nCw is very fond of nonstandard letter use, if you couldn't tell).
  • Bryan Alvarez's slightly less famous but much more successful Tag Team partner in the Canadian ICW, Nicki Sixx. He had a temporary Distaff Counterpart when The Black Rose Nikki Adams briefly went by Nikki Syxx in WSU.
  • AJ Sparxx...though this might be just to distinguish him from the female AJ Sparks(who people naively believed pre Gail Kim TNA would do something with)...
  • Bexx, better known in the UK as Zak Zodiac of the Knight family.
  • Strong man Jaxx from the German Wrestling Federation's school.
  • Ashley Sixx, or Ash for short. Given "Ashley" is a common woman's name in Canada, the extra x seems to be something to make these guys seem more manly, as if Ashley's sideburns weren't enough. There's also a Kelly Sixx, who mainly wrestled in the UK and eventually settled on the much less ambiguous ring name "Josh".
  • Ann Brookstone, whose disgusting habits earned her the nickname "Ann Thraxx".
  • NWA Top Of Texas and NWA Midwest had "Biohaxxard" Jeremiah St. James, a heavyweight champion of the former.
  • Lexxus, later known as Alexxis Nevaeh and "The Double X Diva".
  • Before he was Seth Rollins, before he was Tyler Black, before he was Taj The Destroyer, he debuted for Scott Country Wrestling as Gixx!
  • Stix and Stone, the Tag Team of Martin Stone...and Stixx in the UK.
  • Jon Moxley was sometimes billed as "Moxley Moxx" in IWA Puerto Rico, most famously when he lost the hardcore belt to then rookie sensation La Amazona.
  • CMLL and AAA have the Gargoyle luchador Groon XXX on their B shows. There is also a Mini Groon XXX on the Mexican independent circuit.
  • Maxx Stardom, who only spells his Spanish name, Maximo Estrella, with one x. Then again, he originally just when by Max Stardom in English too until his Tag Team with Mykal Manix started breaking down...
  • Austrian wrestler Max Moran is frequently billed as "Mexx" and "Mexxberg". This may be in reference to the Nordic fashion company, and, of course, Goldberg.
  • Christina Von Eerie became "Toxxin" when officially signed to TNA.
  • Subverted with the XX title belt of Texas based Inspire Pro Wrestling. It means "ladies only".
  • Madi Maxx, who purposefully spells it that way to annoy people. She "loves haters".
  • Andrew Palace and Chest Flexor teamed as "Flexxx Palace" in the International Wrestling Cartel.
  • Hi69 and Taiji Ishimori originally teamed with Kota Ibushi for a joke in Dramatic Dream Team. However, twelve years later, they would reunite without him much more seriously as XX, decisively winning Pro Wrestling NOAH's GHC Junior Heavyweight Tag Team Titles and almost winning AAA's Lucha Libre World Cup.
  • Axx Clover, an aptly named Garbage Wrestler most commonly seen around Florida, especially AWE's Hardcore Division.

    Video Games 

    Web Original 

    Western Animation 

    Real Life 
  • The company Blaxxun (originally spelled "Black Sun").
  • ExxonMobil Corporation.
  • Minolta Maxxum cameras (now Sony Alpha).
  • Redd Foxx (real name: John Elroy Sanford).
  • As a tribute to Redd Foxx, actor/comedian/singer Jamie Foxx (real name Eric Marlon Bishop).
  • Unrelated to either Redd or Jamie, original Ultravox singer John Foxx (real name Dennis Leigh).
  • Baseball Hall of Famer Jimmie Foxx. Yep, that was his real name. Yep, his nickname was "Double X."
  • XXX-rated movies. This is really just a marketing gimmick, implying "X" is dirty. (Even if a lot of legitimate films were rated X.) And that "XXX" is three times dirtier.
    • And of course all the, er, adult, performers who add multiple X's to their stage names, on the same principle.
  • Exxos, a short-lived Science Fiction Video Games publishing label of ERE Informatique, a French video game company of the 1980s.
  • The new FXX Network, which is of course a spinoff of FX Networks.
  • Epyx published several action-oriented games under the "Maxx Out!" label.
  • NASCAR team owner Johnathan Cohen originally named his team XXXtreme Motorsport when it launched in November 2012. A little less than two years later, he renamed the team to Team XTREME Racing.
  • During the IRA bombing campaign on the British mainland in the 1970s, the IRA used to include the codeword "Double X" in all their forewarnings to the police.
  • Mexx, a fashion company based in northern continental Europe.
  • OXXO, a nationwide (to Estados Unidos Mexicanos, the other country with "United States" in its name) chain of convenience stores based in Mexico.