When Extroyer was going to extroy into a Saber-Tooth Tiger, Steel drove the Turbo Car and then crashed the evil Extroyer that was extroying into a Saber-Tooth Tiger. Then he was crashed and he extroyed also the other Animals' DNA Samples from the Package of Animals' DNA Samples, which broke and spilled on top of him, and then extroyed, not into an animal, into a mutant with goop coming out of his body.
|The Gallery of Extroyer Mutant can be seen Here.|
- If you might had noticed, he looked very similar to the Sewer Monsters because the colors in the goop and how it looked like.
- If you can see, in this transformation he is deformed, which is because he morphed more than one Animal's DNA and his body was polluted.
- He is a mix of parts of a lot of animals that he accidently Extroyed at the same time.
- This is the first transformation that is a mix of Extroyer's transformations or well, animals. The second being Extroyer Demon.