The Rat King, Nick Teenage Mutant Ninja Turtles 2012 Wikia

Dr. Victor Falco, later known as The Rat King, was a sleazy scientist who used his knowledge and talents for his own selfish gain. After an accident involving a fire, mutagen, and a chemical he was developing to give him telepathic powers, he became this series' incarnation of the Rat King. As a normal human, Falco wore a white lab coat, had gray hair with white markings, brown shirt and pants, and a tie. As the Rat King, his skin is pale green, his eyes glow red, he resembles a corpse, his teet

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