Among the film's artistic influences included 1940s big band and jazz music and Max Fleischer cartoons of the 1930s (such as Betty Boop).
Fleischer cartoons differed highly from their counterparts at Walt Disney Productions and Warner Bros.
The voices for Fleischer cartoons produced during the early and mid-1930s were recorded after the animation was completed.
The Fleischer cartoons, she added, have a layered effect not evident in Disney.
The Fleischer cartoons were also responsible for Superman being able to fly.
Although a Fleischer cartoon, it appeared to be patterned after the Aesop's Film Fables of Paul Terry.
At one point the Fleischer cartoons even scrapped the whole "speeding bullet" business in favor of more weather-oriented metaphors: "Faster than a streak of lightning!
In 1941, a Fleischer cartoon cost $100,000 to produce, the equivalent of several million dollars today.
The staff drew upon Looney Tunes and the Fleischer cartoons to appeal to wide demographic: having a certain adult sensibility but also enjoyed by kids.
Fleischer cartoons were very different from Disney cartoons, in concept and in execution.