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Two tons of putrid power!

– Stinkfly describing himself.[5]

Stinkfly is the Omnitrix's DNA sample of a Lepidopterran[6][7] from the planet Lepidopterra.[merch 1]


Ben as Stinkfly[]

Stinkfly has an insectoid body and four crab-like legs and two arms with three-clawed hands. He has four small eyes on long prehensile stalks connected to his large head, which can all be moved around independently from each other. On his back are two very fragile light greenish-yellow dragon-like wings with veins running through them, and his limbs are a brown-greenish color.

In the Original Series, Stinkfly wore a white sleeveless jumpsuit with black lining which covered most of his body including his head (which is not a mask but part of his biology)[DJ 1] and tail, his hands had a black coloration similar to fingerless gloves, and his eyes were yellowish-orange. His mouth has a tongue and gums that are green in coloration, and he had squarish teeth that interlocked when closed. He wore the Omnitrix symbol on the top of his forehead.

In A Change of Face, Stinkfly wore a black hat.

In Don't Drink the Water, 4-year-old Stinkfly (dubbed Stinkyfly) has a smaller body and pupils in his eyes.

In Ultimate Alien, Stinkfly's eyes were recolored green and he did not have fingerless gloves. The shine on his limbs was also removed. 16-year-old Stinkfly wore the Ultimatrix symbol on his chest in the Ultimate Alien intro, though it was on his forehead in Heroes United.

In The Forge of Creation, 10-year-old Stinkfly looked the same as in the Original Series, except his eyes and Omnitrix symbol were recolored green. He had no fingerless gloves, the shine on his limbs was removed, and his teeth were straight with a pink tongue.

In Omniverse, 11-year-old Stinkfly looks mostly the same as in Ultimate Alien but with bigger wings, lighter skin, larger eyes and pupils, a jutting underbite, a bigger body and tail, and a slightly redesigned stinger. His clothes are white with black stripes and is spread only until his forehead, revealing green, wrinkled skin.

16-year-old Stinkfly looks the same as his 11-year-old self, except that he is taller and the white portions of his clothing are recolored green. Much like his younger self, the original Omnitrix symbol is located on his forehead.

Kevin as Stinkfly[]

Kevin's Stinkfly looked the exact same as Ben's did in the Original Series, but with a darker color scheme and without an Omnitrix symbol.

Ben 10,000 as Stinkfly[]

Ben 10,000's Stinkfly's body style was almost the same as his 10-year-old self, with the only differences being that his eyes were longer with black pupils, his stinger and legs were larger, and his clothes were in inverted colors similar to Ben 10,000's first outfit.

Powers and Abilities[]

Stick around for a while, why don't ya?

– Stinkfly after shooting slime from his eyes.[8]

Stinkfly's primary ability is to squirt high-pressured streams of green, slimy liquid from the glands located inside of his eyestalks and mouth. This slime is strong enough to hold a helicopter[9] and hold down Crabdozer.[8] Stinkfly is capable of utilizing his slime in a number of useful capacities, such as ensnaring his opponents,[7] or blasting a stream of it out of his mouth, solid enough to pull himself upwards like a makeshift grappling hook.[10]

Stinkfly can produce slime of differing properties, and he can instinctively choose which type of slime to expel.[MW 1] Examples include an immobilizing adhesive[11][12] and a flammable toxin.[13]

Stinkfly possesses two dragon-shaped insectoid wings that allow quick and agile flying and can change directions at exceptional paces.

Stinkfly's black tail is extremely sharp with a stinger-like end that can tear and rend through steel almost effortlessly.[11] His tail is an ultra sensitive receptor, making it like an antenna.[pop-up 1][14] Stinkfly's claws and sharp-pointed legs allow him to cling onto solid surfaces.[3]

Stinkfly has great strength in proportion to his body, being able to carry heavy loads while maintaining steady flight.[4] His carrying power comes to its limit when holding something very heavy, shown when he could keep flying while Vilgax was holding onto him.[15]

Stinkfly's exoskeletal body is fairly strong, allowing him to survive unscathed while being smashed through buildings and being caught inside a large explosion.[15]

Stinkfly has enhanced hearing, as he was able to hear a conversation over the sound of a helicopter while both he and it were flying.[16]

The flexible nature of Stinkfly's eyestalks give him 360-degree vision, as he is able to move two eyes at the back of his head and keep the other two eyes at the front of his head.[3]

Stinkfly is accompanied by a natural odor-like stink that comes from the oils he secretes to keep his exoskeleton joints moving.[pop-up 2][2]

Stinkfly is capable of releasing toxic gas and methane gas,[DR 1] the former of which was used to kill plant-like creatures.[17]


An opponent could take advantage of Stinkfly's wings, as if they are held down, Stinkfly is unable to fly.[15][18] If his wings get completely soaked in water, they become limp and heavy and he'll be completely incapable of flight until they dry off.[10][19]

Stinkfly is unable to swim due to his unbalanced body weight and thin limbs.[19]

Stinkfly can be tied in place by his tail.[20]

A more minor inconvenience is Stinkfly's odor, which can be a problem if he is trying to hide from anything or anyone that can smell.[7]

Being a Lepidopterran, Stinkfly is at a massive disadvantage against a Buglizard due to its slime neutralizing fog.[8][21]

Stinkfly is vulnerable against electricity, as shown when he was shocked while trying to attack Phil as Terroranchula.[21] Stinkfly is also vulnerable to strong winds.[22]

Stinkfly is implied to be vulnerable to fire, as shown when he backed away from a growing fire.[11]


Ben 10[]

Five Years Prior to Omniverse[]

Ultimate Alien[]


Original Future[]



Season 1
Season 2
Season 3
Season 4
Season 2
  • Framed (x4; first time was a partial transformation; first, second and third times were cameos)
Ben 10,000
Season 3

10-year-old Ben
Season 2
16-year-old Ben

11-year-old Ben
Season 1
16-year-old Ben
Season 1
Season 2
Season 8
Season 8

Cartoon Network Action Packs
Ben 10
Graphic Novels
11-year-old Ben

Ben 10

Video Games[]

Ben 10[]

Stinkfly is a playable alien in the game.

Naming and Translations[]

Language Name Origin
Albanian Thumbuesi From thumbuesi, the stinger
Bulgarian Жило (Žilo) From жило (žilo), sting
Chinese 滑翔金刚 From 滑翔 (Huá Xiáng), gliding, and 金刚 (Jīn Gāng), Vajra
Croatian Žalac From žalac, the sting
Dutch Stinkvlieg From stink, and vlieg, fly
Finnish Haisukoi From haista, stink, and koi, moth
French Le Dard From le dard, the stinger
German Minijet From minijet, mini jet
Greek Βρωμοπεταλούδας From βρώμα, stink, and πεταλούδα, butterfly
Hebrew עוקץ From עוקץ, stinger
Hungarian Reppencs Reppencs is a slang of a flying creature
Italian Pungiglione From pungiglione, sting
Japanese スティンクフライ From スティンク (sutinku), stink and フライ (furai), fly
Korean 슈퍼플라이 From 슈퍼, super-, and 플라이, fl
Norwegian Stinkers From stinkers, stink
Polish Mucha From mucha, fly
Portuguese (Br) Insectóide From insectóide, insectoid
Romanian Stinkfly From the original English name
Russian Жук-Навозник
Жук (Žuk)
Навозный жук
Летающий Жук
From жук-навозник, dor-beetle
From жук (žuk), beetle
From навозный жук, dung-beetle
From летающий, flying and жук, beetle
Serbian Смрдибуба (Smrdibuba) From смрдибуба (smrdibuba), Stinkfly
Spanish (HA) Insectoide From insecto, insect; and -oide, -oid
Spanish (Spain) Libélulo From libélula, dragonfly
Turkish Pul Kanat From pul, flake, and kanat, wing


  • Stinkfly was the first alien Ben named on-screen.[1]
  • Stinkfly's slime feels like a mix of rubber, cement, and warm oatmeal.[CN 1]
  • In Destroy All Aliens, the texture of Stinkfly's head was taken from a plant, while the texture of his wings was taken from that of an actual insect's.[AC 1]



Crew Statements[]

Matt Wayne[]

Duncan Rouleau[]

Dave Johnson[]

Cartoon Network U.K.[]

  1. link unavailable


Audio Commentary[]

See Also[]

Introduced in Ben 10 ArctiguanaBlitzwolferBuzzshockCannonboltDiamondheadDittoEvil Way Big (Destroy All Aliens)Eye 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
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 Big (Cosmic Destruction)Fuel Run AlienGrendene AlienK-Zone AlienRobot AlienRocksSquidstrictor