Knock Knock (November 25, 1940 film) - Woody Woodpecker

https://en.wikipedia.org/wiki/Knock_Knock_(1940_film) Knock Knock is a 1940 animated short subject, part of the Andy Panda series, produced by Walter Lantz.[2] The cartoon is noted for being the first appearance of Woody Woodpecker, and was released by Universal Pictures on November 25, 1940.[3]