Charlie Adler, the voice of Buster Bunny, quit the show upon learning that he wasn't being considered for a role in Animaniacs (1993) while actors with smaller roles were being cast. He was replaced by John Kassir.
Plucky's theme song is a takeoff on "A Lot of Livin' To Do" from the musical 'Bye Bye Birdie.'
There was, briefly, an actually "Plucky Duck Show," mostly consisting of Plucky-centered episodes from 'Tiny Toons.'
The sewer attendant who gives Plucky the plans is Ed Norton (as played by Art Carney on 'The Honeymooners').
The "little argument" Plucky witnesses is between Danny DeVito (as the Penguin from 'Batman Returns') and Dustin Hoffman (as the title character from Steven Spielberg's 'Hook').