First, we have Donald Duck's response to Nazi propaganda.
Then Tex Avery and the three little pigs teach us about preparedness. Any similarity between the wolf and Adolph Hitler is purely intentional.
Popeye slaps the Japs and gets a furlough; once he gets home his nephews teach him all about home defense.
Bob Clampett sends Hitler on a bombing mission over Moscow, where he learns all about musical gremlins.
Special thanks to Bawb the Revelator, Mister Ph.D., who turned me on to the offensive banned cartoons and WWII cartoons website.
Remember, if we stop laughing at offensive cartoons, the terrorists have won.