The Sour Puss - 1940
Found at Kali Kazoo's Secret Hideaway:
"Just so everyone knows...
this picture is awesome because it's ...CLAMPETT!!! <3 <3 <3
[. . .]
Directed by Bob Clampett. Bob took over Tex Avery's black and white unit "Termite Terrace" at Leon Schlesinger/WB when Tex left to goto Paramount, then shortly thereafter MGM.
This stuff deserves credit! It's so amazing!"
Source: http://* f u c k *yeahdementia.com/