Scrap Happy Daffy (1943)
Scrap Happy Daffy is a Warner Bros. World War II short featuring Daffy Duck, directed by Frank Tashlin and released in 1943. Daffy is the guard of a scrap yard, doing his part to help America win the war against the Nazis, but the Nazis decide to destroy his scrap pile by sending a billy goat out to eat everything in sight.
More at Wikipedia.