The comments made by the cat about Porky's family are based on the old insult, "Ya Muddah wears army boots!"
The supreem cat looks like an early version of Sylvester, but speaks like Lou Costello.
Hamelin is an actual town in Germany. According to an old writing, "Hamelin's town in Brunswick, by famous Hanover city. The river Weser, deep and wide, washes its walls on the southern side."
City Hall was erected in 1422.
Bugs Bunny is mentioned but does not appear in this cartoon.