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Newredomni The contents of this article do not appear on any official media of the franchise.
They are strictly non-canon, and have no affiliation to the series or Cartoon Network whatsoever.

Skidmarx[MW 1] is the Omnitrix's DNA sample of an unknown species from an unknown planet.[note 1]


Skidmarx is a seven-feet-tall[TP 1] non-organic alien[TP 2] resembling a black and white biomechanical centaur with wheels for feet,[TP 3] yellow eyes and a white tail.

Skidmarx wears the Omnitrix symbol on his chest.

Powers and Abilities[]

Skidmarx is able to move at great speeds,[TP 4] though likely in a different manner than XLR8.[TP 5][TP 6]

Despite being regarded as an "underpowered" alien, Skidmarx is physically faster than Citrakayahs.[DJW 1][note 2]


Despite his enhanced speed, Skidmarx is physically slower than Kinecelerans.[TP 8]


Ben 10[]

Five Years Prior to Omniverse[]

  • Skidmarx was among the aliens that Ben moved on from due to being underpowered.[MW 2]


Skidmarx's name is a play on the phrase Skid Mark, which refers to the marks left by tires.


  • Matt Wayne first came up with Skidmarx during the run of Omniverse in 2013.[MW 2]
  • Skidmarx was drawn by Thomas Perkins on February 20, 2021 for Dwayne McDuffie's birthday.
    • While developing Skidmarx, Thomas intended to avoid any takes relating to the latter interpretation of the alien's name.[TP 9][TP 10]
  • Despite his status as an unofficial alien, Derrick believed that Skidmarx's DNA is actually in the Omnitrix.[DJW 2]


  1. This transformation was created by Matt Wayne as a joke[MW 2] and designed by Thomas Perkins long after the series ended. It is non-canon and unofficial.
  2. Though Thomas Perkins was unsure whether Skidmarx is faster than Fasttrack,[TP 7] Derrick J. Wyatt believed this to be true, stating that Skidmarx is "not as lame as Fasttrack".[DJW 1]


Matt Wayne[]

Thomas Perkins[]

Derrick J. Wyatt[]

Unofficial Transformations
Ben Prime Alien ZBungee SpongeCrabtasticDecagon VreedleDecimus PrimeHippopotamassJak the FreezeKringl the SummonerMealymouthPort-A-PortySkidmarxSnark TanqueSomnambulizardSquirtapillerThriller WhaleVentrilosquid
Ben 10,000 BraindrainFunguyGurgeL'GoonLurkSandboxShellheadSkele-TONSnakepitSoulcatcherTerrorsaurTransmutorWarp
Ben 23 Bat-DudeFish FingersTrunk Man
Nega Ben The DarknessThe Electric Corpse
Benzarro Archfiendzarro
Nemetrix Predators Way Big's Predator