The Liquidator

The Liquidator is another one of Darkwing Duck's enemies and also the member of the Fearsome Five (Negaduck, Megavolt, Bushroot, and Quackerjack)

Trivia

 * The Liquidator will make his debut in a Pokemon crossover Ash's Adventures of Turbo: A Power Rangers Movie.
 * The Liquidator will return in Pooh's Adventures Chronicles and Pooh's Adventures Armada: Hunt for the Chaos Emeralds.