Ben 10 Planet


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Bullfrag is the Omnitrix's DNA sample of an Incursean from an unknown planet.


Being an Incursean, Bullfrag is a humanoid frog-like alien with three-fingered hands and two-toed feet. He is, however, considerably taller and more muscular than a typical Incursean. He has a more defined jawline, and wears sunglasses. His skin is also paler than a normal Incursean.

Bullfrag debuted wearing a typical black-and-purple Incursean uniform as a disguise, but he also has an outfit that adapts to Ben's clothes, like all of his transformations. In this outfit, Bullfrag's sunglasses are green, the bodysuit now has a green stripe down the middle, he has fingerless black gloves and toeless black boots with green cuffs above them, and a green belt with a white buckle.

Bullfrag wears the Omnitrix symbol on his upper chest, which is hidden under his suit while wearing the normal Incursean uniform.

Powers and Abilities

  • Long Tongue
  • Powerful Kicks

Being an Incursean, Bullfrag has powerful jumping abilities, and is very agile. 

Bullfrag's physique makes him stronger and more durable than an average Incursean. He has impressive hand-to-hand combat abilities.

Bullfrag possesses a long, sticky and prehensile tongue, which he can use as a grappling line or to hit a distant target. It is also very strong, able to smash boxes.

Bullfrag can inflate his chest to repel enemies and gain momentum to jump.


Like all Incurseans, Bullfrag is weak to a strong smell.

As shown in multiple occasions, Bullfrag's tongue hurts if it stretches too long.




Ben 10: Omniverse

Video Games


Bullfrag in Ben 10: Omniverse 2

Ben 10: Omniverse 2

  • Bullfrag is a playable alien in the game, he is the main alien in this game.

Naming and Translations

Language Name Origin
Bulgarian Булфраг From the original English name
Chinese 牛蛙 From (Niú), bull, and (Wā), frog
French Crapauteur From crapeau, bullfrog, and sauteur-, hopper
German Bullfrosch From Bullenfrosch, bullfrog
Greek Βατραχολοθρευτής From βάτραχος, frog, and εξολοθρευτής, annihilator
Hungarian Repeszgránát From repeszgránát, fragmentation grenade
Polish Bykżab From byk, bull and żaba, frog
Portuguese (Br) Bullfrag From the original English name
Romanian Amfibizorul
Turkish Bulfrag From the original English name


Bullfrag's name is a play on Bullfrog and Frag, which means to annihilate.


  • According to Matt Wayne, the reason that Bullfrag is more muscular and developed than other Incurseans is because most Incurseans have very poor diets, and Bullfrag is an example of an optimal Incursean.[1]
  • According to Derrick J. Wyatt, Bullfrag would originally only wear sunglasses to hide his green eyes, but the crew liked them so much, they decided to keep Bullfrag always wearing sunglasses.[2]
  • Like frogs, Bullfrag makes a croaking sound after inflating his chest.
  • While Bullfrag is attracted to Attea, Attea has a strong crush on Bullfrag as well.
    • Ben blames the attraction on Bullfrag's DNA, similar to Albedo blaming his cravings for Chili Fries on Ben's DNA.
      • Gwen made reference to this, claiming that's the excuse all boys use.
  • In the video game, Ben tries a few names before settling on Bullfrag. The names are "Crazy Legs", and "Aquattack".
  • Bullfrag's voice and mannerisms are based on Sylvester Stallone.
  • Bullfrag also seems similar to Rash from Battletoads, as both were amphibian superheroes that wore sunglasses.
  • Bullfrag's sunglasses greatly resembles Kamina's sunglasses from Gurren Lagann.


Ben 10 Aliens
Introduced in Ben 10
ArctiguanaBlitzwolferBuzzshockCannonboltDiamondheadDittoEye GuyFour ArmsFrankenstrikeGhostfreakGrey MatterHeatblastRipjawsSnare-ohStinkflyUpchuckUpgradeWay BigWildmuttWildvineXLR8
Introduced in Ben 10: Alien Force Introduced in Ben 10: Alien Swarm
Alien XBig ChillBrainstormChromastoneEcho EchoGoopHumungousaurJetrayLodestarRathSpidermonkeySwampfire Nanomech
Introduced in Ben 10: Ultimate Alien Introduced in Heroes United
AmpFibianArmodrilloChamAlienClockworkEatleFasttrackJury RiggNRGTerraspinWater Hazard Shocksquatch
Introduced in Ben 10: Omniverse
AstrodactylAtomixBall WeevilBloxxBullfragCrashhopperFeedbackGravattackGutrotKickin HawkMole-StachePesky DustThe WorstToepickWalkatroutWhampire
Ultimate Forms
Big ChillCannonboltEcho EchoHumungousaurSpidermonkeySwampfireWay BigWildmutt
Future Aliens Fusion Aliens See Also
SandboxShellheadSnakepitSpitter Diamond MatterHeat JawsStink Arms Decagon VreedleRocksSquidstrictorThriller WhaleVentrilosquid
PortalerAntigraviteslaBob the BlobPlantapocalypse

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