Mutagen

This is a disambiguation page — a navigational aid which lists other pages that might otherwise share the same title. If an article link referred you here, you might want to go back and fix it to point directly to the intended page.

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 comes into contact with it, and thus causes a mutation.