Mutagen, also known as Ooze, is a viscous substance, which is in virtually every medium and plays a key role in the origin of the Ninja Turtles. It changes the genetic structure of all organisms that come into contact with it, and so causes a mutation.

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Start a Discussion Discussions about Mutagen


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    • Hasele wrote:MarioLuigiGCFan wrote: Miwaandsplintergirl1 wrote: A mutant falcon. Name: Sergent Falcon instead of Captain Falcon lol (some peo...
    • can you do a mutant Lobster who was an ally for Ninja Turtles
  • About that Mutagen

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    • The Iconoclast wrote: So--is that a piece of stool or a mudpie on his head? BOTH!
    • Looks like Mondo is going to show up in New York from the new Intros.
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