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This page is about the Omnitrix Alien. For the species, see Walkatrout.

Ben 10 Omniverse- Walkatrout
General Information
Species Walkatrout
Body Fish
Powers and Abilities
Abilities Slippery Body
Enhanced Agility
Enhanced Speed
Underwater Breathing
Voice Actor Yuri Lowenthal
First Appearance Outbreak

Walkatrout is the Omnitrix's DNA sample of a Walkatrout from an unknown planet.


Walkatrout is a small, blue fish-like alien, roughly the same height as Upchuck. He has stubby fins for arms, a shark-like dorsal fin, and a pair of thin, spindly legs jutting from his underside. He has a wide mouth with an underbite, and gills on his cheeks. He has bulging green eyes.

Walkatrout wears a green belt-like strap around "waist" and back, with the Omnitrix symbol connecting the front. 

Powers and Abilities

Walkatrout has a slippery body and can breathe underwater.



  • Walkatrout made his first appearance in Outbreak,
    • Walkatrout made his debut when Driba and Blukic tried to fix the Omnitrix. Then he escaped from Liam.
  • In Charm School
    • Walkatrout was used at the end of the episode and was disappointed.


Ben 10: Omniverse

Naming and Translations

Language Name Origin
Greek Περιπατητική Πέστροφα From περιπατητής, walker and πέστροφα, trout
Portuguese (Brazil) Walkatruta From walka, walka and truta, trout
Spanish (Hispanic America) Walkatrout From the original English name
Polish Nogopstrąg From noga, leg and pstrąg, trout
German Wanderbarsch From wander, to wander and barsch, perch
Italian GambaTrota From gamba, leg and trota, trout
French Truite-azur From truite, trout and azur, azure/blue
Hungarian Halláb From hal, fish and láb, leg


  • 4" Walkatrout
  • Walkatrout 2 Inch Mini Figure


Walkatrout's name comes from "walk about" and "trout".


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