Sourpuss was a Terrytoons character. His debut was in the 1939 short The Owl and the Pussycat. He started being paired up with Gandy Goose in the 1939 short G-Man Jitters. His only other sole appearance was How Wet Was My Ocean in he was paired with a character called Timid Pig. His last theatrical appearance was in the 1950 short Comic Book Land.
His latest appearance was in Mighty Mouse the New Adventures in where Mighty Mouse rescued Sourpuss from a cat gang and then he reunited with Gandy Goose. Sourpuss and Gandy are also implied to be in a romantic relationship.