Jim Cummings (Darkwing Duck/Drake Mallard) has said that out of all the roles he's voiced, Darkwing Duck is his favorite. The reason for this is because of the character's flexibility. There were loads of opportunities for ad-lib, thus making the portrayal of Darkwing a lot more fun.
Taurus Bulba! I am the terror that flaps in the night. I am the surprise in your cereal box...
The home video release of the two-part pilot, "Darkly Dawns the Duck", restores a number of cuts that were made to the episodes in reruns: