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Stinkfly is the Omnitrix's DNA sample of a Lepidopterran from the planet Lepidopterra.


Ben as Stinkfly

Stinkfly has a bug/insect body and four insect-like flat legs with two arms, whose hands are human-style ones with a black coloration, similar to fingerless gloves, and has three clawed fingers. He has four pedunculated eyes that are pretty small and yellowish-orange in color. These eyes are linked directly to the sides of his huge black head. His wings are light green and very fragile with lines on them, and his limbs are a brown-greenish color. Stinkfly wore the Omnitrix symbol on the top of his forehead in the original series.

In Ultimate Alien, Stinkfly's Ultimatrix symbol was on his chest, his eyes were green and he no longer wore gloves. 10-year old Stinkfly looked exactly like his 16-year old self, except his Omnitrix symbol remained on his forehead.

In Heroes United, Stinkfly looks exactly like 10 year old Stinkfly did in Ultimate Alien.

In Omniverse, Stinkfly has bigger wings and his clothes are spread only till his forehead. He has lighter skin, the Omnitrix has returned to his forehead, he now has bigger eyes and pupils, and his body and tail are bigger. Just like in Ultimate Alien, he no longer has gloves and his tail and body look bigger.

11 year old Stinkfly in Omniverse looks just like his 16-year-old self, except that he is shorter, and the green color of his clothing is white.

Kevin as Stinkfly

Stinkfly looked like he did in the original series, but without an Omnitrix symbol.

Ben 10,000 as Stinkfly

Stinkfly's body style was almost the same as he did in the original series, with the only differences being that his eyes were longer and had black pupils, his stinger and legs were larger, and his clothes were inverted, similarly to Ben 10,000's.

Powers and Abilities

  • Stinkfly flying
  • Stinkfly shooting slime

Stinkfly possesses four insectoid wings that allow quick and agile flying, and can change directions at exceptional paces.

Stinkfly can excrete high pressured streams of liquid from the pollen ducts located inside of his eye stalks and mouth. These liquids can be both a flammable toxin or an immobilizing adhesive, enough for him to swing from it by his mouth.[1]

Four year old Stinkfly (dubbed Stinkyfly) was able to emit a powerful herbicide via flatulation.[2]

Stinkfly's black tail is extremely sharp with a stinger like end that can tear and rend through steel near effortlessly.[3]

His exoskeletal body is also fairly strong, allowing him to survive unscathed while being smashed through buildings and being caught inside a large explosion.

Stinkfly has great strength in proportion to his body, able to carry heavy loads while maintaining steady flight. He could even still fly while Vilgax was hanging on his tail end, barely being weighed down down by the latter's immense size and weight.[4]

Stinkfly has 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.


Stinkfly is extremely weak to any kind of chemical, poison, or gas.

Although his exoskeleton body is fairly strong, Stinkfly's wings are very fragile. Water is especially a problem for Stinkfly, as it can render him incapable of flight if too much gets on his wings.[1] Furthermore, he is unable to swim due to the small surface area of his limbs.

A more minor inconvenience is Stinkfly's odor, so hiding from anything or anyone that can smell can be a problem.

Stinkfly's goo can be neutralized by Buglizard's fog.[5]


  • In Framed, Kevin used Stinkfly four times.
Ben 10,000
  • In Ben 10,000, Heatblast turned into Stinkfly when hurled into the air, but Stinkfly turned into XLR8 when thrown against a wall.

10 year old Ben

16 year old Ben
11 year old Ben


10 year old Ben
Season 1

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

Cartoon Network Action Packs
Ben 10: Omniverse
  • Parallel Paradox

Video Games

Ben 10

  • Stinkfly is a playable alien in the game.

Naming and Translations

Language Name Origin
Albanian Thumbuesi From thumbuesi meaning 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, sting
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 libélulo, dragonfly
Turkish Pul Kanat From pul, flake, and kanat, wing


  • Stinkfly was the first alien Ben named on-screen.
  • Stinkfly's slime feels like a mix of rubber, cement and warm oatmeal.[6]
  • Stinkfly's stink comes from the oils he secretes to keep his exoskeleton joints moving.[7][8]
  • 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.[9]
  • Stinkfly appeared a total of 40 times in the original continuity.


See Also

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
Ultimate Aliens Ultimate AlbedoUltimate ArctiguanaUltimate Big ChillUltimate CannonboltUltimate Echo EchoUltimate GravattackUltimate HumungousaurUltimate RathUltimate SpidermonkeyUltimate SwampfireUltimate Way BigUltimate Wildmutt
Fusion Aliens Atomic-XBig ChuckCrashockerDiamond MatterFourmungousaurHeat JawsHumungoopsaurStink ArmsUprigg
Unseen Aliens Decagon VreedleRocksSquidstrictorVentrilosquid
Future Aliens SandboxShellheadSnakepit
Retconned Eon
Non-Canon PortalerAntigraviteslaBob the BlobPlantapocalypseThriller Whale

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