Viper Mutagen 368

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Viper Mutagen 368 is a fictional substance appearing in the Hanna-Barbera animated television series SWAT Kats: The Radical Squadron.

Co-developed by series characters Dr. N. Zyme and Dr. Elrod Purvis at Megakat Biochemical Labs, Viper Mutagen 368 is a regenerative growth formula derived from snake DNA that can revitalize dead or dying cells in plants and animals. It was intended to help end world hunger, but instead it only caused Purvis to mutate into Dr. Viper.