


Zyme is also thought to have been eaten by one of the creatures. They ate a subway train full of commuters and a farmer, and even Dr. Viper took him back to his lair in the Dead Forest, where he turned him into a giant purple bacteria monster, intending to use him in his newly mutated form to break into Megakat Biochemical to steal the katalyst.ĭuring this particular caper, many innocent cats were killed by being eaten by Viper's bacteria monsters. Another villain named Morbulus had recently been defeated by the SWAT Kats and escaped into a sewer drain pipe, where he met Viper. His first scheme involved obtaining a rare compound called Katalyst 99 from his former place of employment. Since then, he has made Megakat Swamp his home, living in a lifeless area full of malformed giant trees known as "the Dead Forest," hatching many a scheme to transform the world into an environment only his depraved mind could love: a festering, mutation-filled wasteland. Viper escaped after being knocked out the window. Luckily for them all, the SWAT Kats arrived in the nick of time and stopped the mad scientist and his army of mutant bugs.

Zyme as his prisoners, planning to mutate them all into cat/snake beings like himself with a new batch of Viper Mutagen. Viper," proceeded back to Megakat Biochemical Labs, where he rounded up Mayor Manx and Deputy Mayor Briggs, who were visiting the lab, and Dr. Viper".Īfter scaring a hapless attendant and causing him to go into shock, Purvis, now calling himself "Dr. Later, at the city morgue, the Viper Mutagen took effect, and resurrected Purvis - unfortunately, it had a disastrous side effect, causing Purvis to mutate into creature that is half cat, half snake, and with no soul.ĭr. A fight broke out, which ended with Purvis taking a fall down a flight of stairs, spilling the chemical all over himself in the process and seeming to die. Zyme, however, returned to the lab and caught him in the act. Zyme planned to donate the formula to the city, but Purvis had other ideas.ĭeciding he wanted to get rich off of the formula, he decided to try to steal the Viper Mutagen, to sell to the highest bidder. After years of research, the two co-created Viper Mutagen 368. Elrod Purvis, who worked at Megakat Biochemical Labs as an assistant to Dr. Viper used to be an unremarkable biochemist named Dr.
