Walkatrout

Walkatrout is the Omnitrix's DNA sample of a Ickthyperambuloid from Gilli-Perambulous Promenade.

Appearance
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.

Omniverse

 * 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.
 * In Fight at the Museum,
 * Walkatrout tried to escape the exhibit room, but failed.
 * In It's a Mad, Mad, Mad Ben World: Part 1,
 * Walkatrout came to Bellwood with Speedyquick's help.
 * In Final Countdown,
 * Walkatrout gets stuck when trying to get in the Plumber Base, but Skurd uses Four Arms' arms to help him

Ben 10: Omniverse

 * Outbreak (first appearance)
 * Charm School (cameo)
 * Fight at the Museum (accidental transformation; intended alien was Humungousaur)
 * It's a Mad, Mad, Mad Ben World: Part 1 (accidental transformation)
 * Final Countdown
 * A New Dawn (cameo)

Toys

 * 4" Walkatrout
 * Walkatrout 2 Inch Mini Figure

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

Trivia

 * Walkatrout was unlocked by Driba and Blukic, along with Pesky Dust, Mole-Stache, and The Worst, when they tried to fix the malfunctioning Omnitrix.
 * Ben reveals Walkatrout's name in An American Benwolf in London.
 * Blukic and Driba were the ones who technically named him.