Two Gophers from Texas (1948)
Two Gophers from Texas is a 1948 Merrie Melodies short starring the Goofy Gophers directed by Arthur Davis and produced by Eddie Selzer. Mel Blanc voiced the unnamed dog and Mac, while an uncredited Stan Freberg voiced Tosh. The title is a pun on Two Guys from Texas, a comedy released earlier that year from Warner Brothers, although the short has nothing to do with Texas. It would be the last Goofy Gophers cartoon produced before Davis' unit was disbanded, and the first time the Gophers would appear brown and tan.
More at Wikipedia.