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All your stinking has got me thinking... about flying!

– Ben to Gwen.[1]

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


Ben as Stinkfly[]

Stinkfly has a slender, humanoid body. His body is mostly blue, but his shoulders, armpits and ankles are light blue, while his chest, abdomen, neck and the lower part of his face are cyan. He has three blue fingers on each of his hands and three-toed dark cyan feet, with the third toe being on the back of his feet. He has greenish blue eyes. He has a light blue V stripe on his forehead, one coming from each eye, one on his nape and, one in each finger and two in his thighs. He has two orange wings with black edges and two dark cyan antennae.

While under the influence of Tim Buktu's Brucha Puppet, Stinkfly's eyes were purple and his mouth was zipped shut.

In Ye Olde Laser Duel, Stinkfly wore a green vest with blue orbs on his chest and shoulders, he also had star like structures on his wings and he wore a fake brown mustache.

Stinkfly wears the Omnitrix symbol on his chest.

Gwen as Stinkfly[]

Gwen's Stinkfly has more feminine proportions, three spikes on her arms, and a more circular head. Due to being used inside the Omnitrix, the device's symbol is absent from her body.

Powers and Abilities[]

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

Stinkfly can project slime, as well as produce toxic and methane gas and saliva.[2][3]

Stinkfly can excrete high pressured streams of some green viscous liquid from two ducts located inside his shoulders. These liquids can either be made flammable or into an immobilizing adhesive.

Stinkfly's exoskeletal body is 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.

Stinkfly's strength extends to his prehensile feet, as shown when Skunkmoth moved the front half of the Sonitrain.[4]

Stinkfly's body is bioluminescent, meaning that he can glow in the dark.[3][5]

Stinkfly's fingers are sharp enough to pick a lock.[6]


Stinkfly is extremely weak to any kind of chemical, poison, or gas. This can include his own poison gas.[7]

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.

Stinkfly can be frozen by ice.

A more minor inconvenience is Stinkfly's odor, so hiding from anything or anyone that can smell can be a problem. Also, his glow can make him spotted.

Stinkfly can be easily blinded by his own slime should it get all over his face.[8] Similarly, he can get nauseous if he uses his own smelly gas on himself.[9]

Stinkfly's flammable gases can be used against him if he is inside them.

Stinkfly is vulnerable to electricity, as it can render him unconscious if he takes too much damage.[6]


Ben 10[]


Season 1[]

Season 2[]

Season 3[]

Season 5[]


Video Games[]

Ben 10[]

Stinkfly is a playable alien character in the game.

Stinkfly is initially unavailable, but is unlocked at the beginning of The Canyon level.

Stinkfly is able to glide across considerable distances.

Stinkfly's Ultimate Ability consists of him flying up in the air and unleashing an omnidirectional blast of slime at enemies.

Stinkfly is vital for progression on The Canyon level of the game.

Naming and Translations[]

Language Name Origin
German Minijet From mini and jet
Portuguese (Br) Insectóide From insectóide, insectoid
Russian Жук From жук, beetle
Spanish (HA) Insectoide From insectiode, insectoid


  • This Stinkfly's goo is inflammable, whereas his Classic Continuity counterpart's goo can put out fire.
  • Stinkfly's design in the reboot uses elements of the Pre-Production alien DragonFly.
    • Stinkfly was redesigned to the point of looking like an entirely new alien because kids thought his Classic Continuity counterpart's design was too scary.[KS 1] There was also a push from Playmates to make the aliens more humanoid.
      • However, the crew did not consider using this Stinkfly design as a new alien.[DR 1]
  • Despite being replaced with Jetray beginning in Season 4, it was hinted by Duncan Rouleau that Stinkfly would return in the future,[DR 2] foreshadowing his reappearance in Ben Gen 10.
    • Ben could also regain access to Stinkfly, given how he has learned how to access the entire cache of Omnitrix aliens by cycling in new chambers from Azmuth.[DR 3][10]
  • Stinkfly is Greg Cipes' favorite alien. He was disappointed that he stopped appearing often once Kevin was introduced.[AC 1]
    • During a panel, Greg bribed most of the cast into saying they like Stinkfly.[11]


Crew Statements[]

Duncan Rouleau[]

Kaitrin Snodgrass[]

Audio Commentary[]

Introduced in Season 1 CannonboltDiamondheadFour ArmsGaxGrey MatterHeatblastOverflowStinkflyUpgradeWildvineXLR8
Introduced in Season 2 RathShock Rock
Introduced in Season 3 Crossover Nexus TransformationsHumungousaurSlapback
Introduced in Season 4 GoopJetrayWay Big
Introduced in Season 5 Alien XAmpfibianBig ChillBloxxBuzzshockChromastoneRipjawsSpidermonkeySurge
Omni-Enhanced Aliens CannonboltDiamondheadFour ArmsGrey MatterHeatblastOverflowStinkflyWildvineXLR8
Omni-Kix Aliens CannonboltDiamondheadFour ArmsHeatblastHumungousaurJetrayRathShock RockSlapbackXLR8
Omni-Naut Aliens HeatblastJetrayHumungousaurShock Rock
Fusion Aliens Amalgam BenGrey ArmsXLRArmBlastDiamondHeat
Ben 10 Battle Builder Banana AlienRocket Flyer AlienRustbucket AlienScooter AlienTank Alien
Non-Canon Fusion Aliens Diamondhead-Humungousaur FusionOmnitrix Glitch FusionRath ArmsShock Blast
Other Black Hat AlienHot Dog AlienKarusel AlienMole-StacheSamson