Images of Negaduck, a villain from Darkwing Duck.
Armed with his signature Chainsaw
Disguise the Limit: NegaDuck changing his costume
Disguise the Limit: Negaduck captured by Darkwing
Negaduck is seen chipping Morgana in Darkwing's clothes as a goof in the episode "My Valentine Ghoul
"And it's easy to recognize Darkwing Duck! He looks just like me!"
"Ahh, my beautiful St. Canard. Smell those noxious fumes."
Negaduck is (somehow) defeated by being told that he's lonely.