Dr. Viper

Dr. Viper (voiced by Frank Welker) is a character SWAT Kats: The Radical Squadron. He is an enemy of the SWAT Kats.


Dr. Viper is clearly the deadliest enemy in SWAT Kats, he and his creatures murdered a number of innocent people such as, Dr. N Zyme his former colleague.The only weapon he has on hand is his tail which he uses to smack enemies away. 


Dr. Viper is a green and turquoise mutant kat, he has yellow eyes and wears a white trench coat.