Mr. Null is a villain in the TMNT comics and an evil businessman. He is involved in harming the environment and is immortal. He later fought the TMNT.
He responsable of the various and terrible event. He heading up projects that involved slash and burn destruction of the South American Rain Forest, and dumping Toxic Waste into the Ocean. He attemp exterminate the humanity. he used the horsemen your minion with puppet combinig with dna of the mutanimals and trasforming in the powerful monster and incaricate to be exterminate the humanity after slash he sacrificing for the saved the humanity he crashed into the sun and he dies.