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Upchuck is the Prototype 71's DNA sample of a Perk Gourmand from the destroyed planet Peptos XI and currently Peptos XII.

Appearance[]

Upchuck looks similar to Ben's teenage Perk Upchuck design in Omniverse, except he is darker green and has three hairs on his chin. He has four dull green bulbs on his tail and only has two teeth in his overbite instead of three. He does not have an Omnitrix symbol.

Powers and Abilities[]

Being a Perk Gourmand, Upchuck is capable of vomiting out liquids and matter.

Weaknesses[]

Upchuck gets nauseous easily.

History[]

Graphic Novels[]

  • In Tim 10, Timothy unintentionally transformed into Upchuck when he failed to attack the Alien Contractors as Heatblast. He suddenly felt nauseous and was about to vomit, when he suddenly transformed into Bloxx.

Appearances[]

Books[]

Graphic Novels[]

Omniverse[]
Transformations
Prime Timeline
Regular Transformations
Introduced in Ben 10 ArctiguanaBlitzwolferBuzzshockCannonboltDiamondheadDittoEye GuyFour ArmsFrankenstrikeGhostfreakGrey MatterHeatblastRipjawsSnare-OhSpitterStinkflyUpchuckUpgradeWay BigWildmuttWildvineXLR8
Introduced in Alien Force Alien XBig ChillBrainstormChromastoneEcho EchoGoopHumungousaurJetrayLodestarNanomechRathSpidermonkeySwampfire
Introduced in Ultimate Alien AmpfibianArmodrilloChamalienClockworkEatleFasttrackJuryriggNRGShocksquatchTerraspinWaterhazard
Introduced in Omniverse AstrodactylAtomixBall WeevilBloxxBullfragCrashhopperFeedbackGravattackGutrotKickin' HawkMole-StachePesky DustThe WorstToepickWalkatroutWhampire
Ultimate Forms
AlbedoArctiguanaBenBig ChillCannonboltEcho EchoGravattackHumungousaurRathSpidermonkeySwampfireWay BigWildmutt
Combinations
Seen Combinations Atomic-XBig ChuckCrashockerDiamond MatterFourmungousaurHeat JawsHumungoopsaurStink ArmsUprigg
Concept Combinations GravadactylXLRG
Alternate Dimensions/Timelines
Original Future Timeline SandboxShellheadSnakepit
Generator Rex Dimension Alpha-ArmsHeatblastHumungousaur
Non-Canon
Competition Winners Alien Maker Contest WinnerMoyoInvinciblePortalerShadowmanStretcheleo
MAD ChromastoneFour ArmsHumungousaurJetrayNRGSwampfire
Total Access AntigraviteslaBob the BlobPlantapocalypse
Ben 10: Science Hero CaetSektoid TransformationShafarnianSteeler
Tim 10 BloxxFour ArmsHeatblastSkateasaurusUpchuckXLR8
Other Cartoon Network AlienEon (retconned)Evil Way BigFuel Run AlienGrendene AlienK-Zone AlienRobot AlienRocksSquidstrictor