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34497a3fe0ef52949a1ba8e99894ed69.png This article belongs to the Classic Continuity

Tell you what. You can clean up what's left of him.

– Ultimate Wildmutt to Gwen, before attacking Prisoner 775.[1]

Ultimate Wildmutt is the Ultimatrix's artificially evolved DNA sample of a Vulpimancer.


Ultimate Wildmutt is significantly larger and more muscular than Wildmutt. His fur is a maroon-red color and he has four huge gray/white spikes running down his back that overlap. These spikes start out as a shark-like fin at the head and rises almost into an arc over the back, tapering near the rump. He also has a long tail with a curved horned tip, resembling a scorpion stinger. His lips are black, like Wildmutt in the original series, and he has white claws.

Ultimate Wildmutt wears the evolved Ultimatrix symbol on his chest.

Powers and Abilities

Much like his unevolved counterpart, Ultimate Wildmutt has incredible senses of smell and hearing.

Ultimate Wildmutt possesses enhanced strength. Technically speaking, he is physically stronger than regular Vulpimancers and Merlinisapiens.

Unlike regular Wildmutt, Ultimate Wildmutt has the ability to speak other languages than the Vulpimancer language.

Ultimate Wildmutt is more agile than Wildmutt.

Ultimate Wildmutt has sharp claws and teeth, which can be used for close range combat. He also has a scorpion-like tail with a sharp tip.[merch 1]


Like his base form, Ultimate Wildmutt cannot see and his vision is only made up of a dull 3-D mapping.


Ultimate Alien


Ultimate Alien

Season 3

Naming and Translations

Language Name Origin
Bulgarian Ултра Дивозвяр From ултра , ultra, див, wild, and звяр, beast
Chinese 终极超能兽 From 终极 (Zhōng Jí), ultimate, 超能 (Chāo Néng), super, and (Shòu), beast
French Ultimate Sauvage From ultimate and sauvage, wild
Greek Απόλυτο Αγριόσκυλο From απόλυτος, ultimate, and αγριόσκυλο, Wildmutt
Italian Ultra Bestiale From ultra and bestiale, bestial
Polish Ostateczny Dzikopysk From ostateczny, final and Dzikopysk, wildmouth
Portuguese (Br) Besta Suprema From besta, beast, and supremo, supreme
Romanian Sălbaticul X From sălbatic, wild and x, the Romanian translation for ultimate
Russian Ульти Космический Пёс From ульти космический пёс, ulti cosmic dog
Spanish (HA) Bestia Suprema From bestia, beast, and suprema, supreme
Spanish (Spain) Ultimate Feral From ultimate and feral, wild
Turkish Ultimate Yaban Köpek From ultimate, and yaban köpek, wild dog


  • Ultimate Wildmutt is the last Ultimate form used by Ben onscreen in Ultimate Alien.
  • Ultimate Wildmutt's sentient counterpart did not appear in The Ultimate Sacrifice, even though the synopsis said that all of the Sentient Ultimate Forms want freedom.
  • Ultimate Wildmutt was the first Ultimate Form to be hinted on the DVD cover of Ultimate Alien named The Wild Truth, where his view is shown, with Ultimate Wildmutt behind Ben.
  • Derrick J. Wyatt did concept art for Ultimate Wildmutt as part of freelance work, who used inspiration from looking at dinosaurs. However, none of his designs were used for the final version.[DJW 1][DJW 2]
    • One of Ultimate Wildmutt's unused concept art by Jon Suzuki would later be repurposed as the basis for Solid Plugg's design.[DJW 3]
    • Strangely, Ultimate Wildmutt's final design bears a striking resemblance to the Godzilla franchise monster, Titanosaurus, with a red body with a white-yellow frill running down its back and onto its tail.
  • The Omniverse crew did not discuss bringing Ultimate Wildmutt back.[DJW 1]



  1. Ben 10 Ultimate Alien: The Wild Truth DVD; file

Derrick J. Wyatt

Introduced in Ben 10 ArctiguanaBlitzwolferBuzzshockCannonboltDiamondheadDittoEye GuyFour ArmsFrankenstrikeGhostfreakGrey MatterHeatblastRipjawsSnare-ohSpitterStinkflyUpchuckUpgradeWay BigWildmuttWildvineXLR8
Introduced in Alien Force Alien XBig ChillBrainstormChromastoneEcho EchoGoopHumungousaurJetrayLodestarNanomechRathSpidermonkeySwampfire
Introduced in Ultimate Alien AmpfibianArmodrilloChamalienClockworkEatleFasttrackJuryriggNRGShocksquatchTerraspinWater Hazard
Introduced in Omniverse AstrodactylAtomixBall WeevilBloxxBullfragCrashhopperFeedbackGravattackGutrotKickin HawkMole-StachePesky DustThe WorstToepickWalkatroutWhampire
Future Aliens SandboxShellheadSnakepit
Ultimate Aliens AlbedoArctiguanaBenBig ChillCannonboltEcho EchoGravattackHumungousaurRathSpidermonkeySwampfireWay BigWildmutt
Fusion Aliens Atomic-XBig ChuckCrashockerDiamond MatterFourmungousaurHeat JawsHumungoopsaurStink ArmsUprigg
Concept Fusion Aliens GravadactylXLRG
Other Aliens in Official Media 10/10/10 Box AliensAntigraviteslaBob the BlobCartoon Network AlienEon (Retconned)MoyoInvinciblePlantapocalypsePortalerRocksShadowmanSquidstrictorStretcheleo