"8 Ball Bunny" has a double connection to Humphrey Bogart: 1) Bogart's character from Der Schatz der Sierra Madre (1948) shows up three times in caricature, begging money from Bugs. 2) Bugs sings a song in calypso style summarizing the plot up to that point. This exact song formula was used a year later for the Bogart and Bacall radio series, BOLD VENTURE, after the commercial break.
Surprisingly, the short is factually accurate regarding where penguins come from (the South Pole and the Southern Hemisphere). Many films blithely show penguins at the North Pole.
The name of the ship is the Admiral Byrd, who explored the South Pole.
The Ice Frolics is a spoof on the popular skating show, Ice Follies
Bugs goes to the La Bouche Cafe. "Bouche" is French for "mouth."