The Abominable Snowman character is inspired by Lon Chaney Jr.'s performance in Of Mice and Men (1939). This may also explain why he calls all other characters George.
Bugs puts a humorous twist on his signature phrase by asking, What's up... Duck?
Cities mentioned: Palm Springs (California), East Saint Louis (Illinois) Perth Amboy (New Jersey), , Albuquerque (New Mexico).
The Snowshoe Rabbit that Daffy mentions is a North American species. It has large hind feet that allow it to navigate snowy ground.