Ben 10 Planet

Mutant Frog

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Mutant Frog
Mutant frog ov
General Information
Species Mutated Frog
Affiliations Dr. Animo
Occupation(s) Servant
Powers and Abilities
Abilities Enhanced Jumping
Flexible Tongue
Generating Warm Aura
Relatives Dr. Animo (creator)
Alias Animo's pet
Big Frozen Frog (Kevin)
First Appearance Washington B.C.

Mutant Frog is a common Earth frog, which was mutated by Dr. Animo's Trans-modulator in the episode Washington B.C.


A large frog-like creature with moss green skin with a light green neck. It has two small horns on its forehead and two bone horns coming out of the sides of it's head. It has four red eyes and orange lumps. It has an olive tongue.

In Ultimate Alien it has yellow eyes and lacks of the horns on its forehead. It has a pink tongue.

In Omniverse its lumps are red and its tongue is dark pink with spikes.

In Ben 10: Destroy All Aliens it is gigantic and has a sandy color. Its webs are also bigger.

Powers and Abilities

Since it is a frog it is capable of great leaps, and being larger, can jump greater distances. Its tongue is broader in scope and is more sticky and adherent. In Ultimate Alien, when Big Chill freezes Mutant Frog's feet, Dr. Animo actively encourages it through a device that makes the mutant frog create a warm aura around the frog that makes the ice melt. It also can break free easily from ice and other objects, due to the mass it has, as even Four Arms could barely lift him.


One apparent weakness is that if its legs are frozen or covered with crystal, it can't move for a while.

In Animo Crackers, the frog can be repelled by a huge cloud of sulphur dioxide.

Original Series

Mutant Frog 005
In the Original Series

It was the first mutated animal via Dr. Animo to experiment the performance of his Trans-modulator.

With this frog, Dr. Animo attacks a supermarket where he mutates a bird and a hamster. He leaves with his frog and uses the bird for transport.

At the end of the episode all of the mutant animals were returned to normal. In Dr. Animo and the Mutant Ray, he appears at the beginning of the episode next to Dr. Animo. The mutant frog has a mind controlling band like the ones Aggregor used on the five aliens.

In Ben 10: Destroy All Aliens, it appeared at the very end to show what a normal day for Ben is like.

Ultimate Alien

In Ultimate Alien
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The frog returns in It's Not Easy Being Gwen, where it now has yellow eyes and Dr. Animo takes control over it with a band in his head. Animo intended to use another telescopic mutant ray to create a army of mutant frogs but he was defeated by Ben, Gwen and Kevin.


The frog made a cameo appearance in It Was Them in one of Ben's flashbacks when Dr. Animo had been defeated.

It appeared again in Animo Crackers, where Dr. Animo riding on it to fighting off the SECT. It grabbed onto a SECT's van and falls back down. According to the Future Dr. Animo, the ARC Project didn't make it due to Dr. Animo not controlling the frog.


Ben 10

Ben 10: Ultimate Alien

Ben 10: Omniverse


  • The Mutant Frog is Dr. Animo's most used animal.
  • Mutant Frog had the most apearance of any Mutant animals.

See Also

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