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Mutagen, also known as the Ooze, is a viscous substance, which is in virtually every medium and it 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.
Comics
Television
Movies
Video games
Toys
Retromutagen Ooze
1989 release
1989 release
Retromutagen Foot Ooze
1991 release
1991 release
Mutagen Ooze
2012 release
2012 release
Mutagen Ooze
2013 release
2013 release
