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 Hook Line and Sinker. His only other solo appearance was How Wet Was My Ocean in where he was paired up with a character called Timid Pig. His last theatrical appearance was in the 1950 short Dream Walking. His voice was an impersonation of Jimmy Durante.
His latest appearance was in Mighty Mouse the New Adventures in where Mighty Mouse rescues Sourpuss from a cat gang and then he reunites with Gandy Goose. Sourpuss and Gandy are also implied to be in a romantic relationship.