Negaduck is the main villain from Darkwing Duck. He is almost like Darking Duck, except that his costume is is brighter than his. He is also the leader of The Fearsome Five and his members are Bushroot, Megavolt, Liquidator, and Quackerjack. Negaduck rules an alternate version of the Negaverse, where everyone has the opposite persona that they do in the Posiverse.
- Negaduck and his Fearsome Five will make their first guest appearances in a Pokémon crossover in Ash's Adventures of Turbo: A Power Rangers Movie.
- Negaduck will return with the Fearsome Five in Pooh's Adventures Chronicles and Pooh's Adventures Armada: Hunt for the Chaos Emeralds.
- Negaduck will become the member with the Fearsome Five, Joker, Two-Face, and The Penguin as the Crime Empire.