Mutagen, also known as the 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 thus causes a mutation.

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    • Bmwfan2015 wrote:Any thoughts on a mutant pufferfish/porcupinefish? His name is Blowup. He has a minigun as a weapon and has a personality lik...
  • 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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