Their encounters could happen in any time period, with Pearl and the villains adopting roles specific for the era, though Mighty Mouse remained the same.
The characters' operatic dialogue delivery from the theatrical shorts was mostly removed to reduce the necessity to hire additional actors that could sing for roles that producer Lou Scheimer would fill in the various episodes (although Mighty Mouse would still belt some lines out, like his catchphrase, "Here I come to save the day!").
According to producer Norm Prescott, the operatic dialogue was also removed because he did not think that "a singing superhero mouse" would fly with contemporary audiences.
Instead, events would unfold as Mighty Mouse usually watched for trouble through a giant telescope from his fortress on a cheese-like planet in space.
Quacula was a pale blue vampire duck with a Daffy Duck-like bill and fangs, dressed in a blue jacket and a black cape with a red lining, who slept by day in a white egg-shaped coffin, in the basement of a house owned by an anthropomorphic bear named Theodore.
[1][3][4] Due to one of their studio training programs, run by Don Christensen, Filmation brought a lot of new people in, including storyboard artists John Kricfalusi, Tom Minton and Eddie Fitzgerald, and screenwriter Paul Dini, and gave them their start in animation on the show and their other productions such as Fat Albert and the Cosby Kids' The Brown Hornet.
[1] Fitzgerald storyboarded a scene in the episode "Movie Mouse" where Oil Can Harry does a wild take in response to Swifty telling him that he used handcuffs to tie up a snake.
[5][18] After the series premiered, cartoonist Scott Shaw filed suit against Filmation due to the fact that he had created a character named Duckula for the comic book Quack!
on hand during production, and that Quacula's character model sheet seemed to be a Bob Clampett Daffy with Duckula's features overlayed onto it (Shaw!
Additionally, Duckula had his own bear supporting character named Bearanboltz, a dim-witted pastiche of Frankenstein's monster, which again made the similarities too convenient.