
Pinto Colvig
He is probably best known as the voice of Disney's Goofy and the original Bozo the Clown, a part he played for a full decade beginning in 1946. He also provided the voice for Practical Pig, the pig who built the "house of bricks" in the Disney short Three Little Pigs, as well as both Sleepy and Grumpy in Snow White and the Seven Dwarfs, and the barks for Pluto the dog. Colvig worked for not only the Disney studio, but also the Warner Bros. animation studio , Fleischer Studios (Bluto, Gabby), and MGM, where he voiced a Munchkin in The Wizard of Oz.
Movies

A Knight for a Day
1946
as Goofy (voice) (uncredited)

Saludos Amigos
1942
as Goofy (voice)

Snow White and the Seven Dwarfs
1938
as Sleepy / Grumpy / Dopey (hiccups) (voice) (uncredited)

Fun and Fancy Free
1947
as Goofy (voice) (uncredited)

The Adventures of Ichabod and Mr. Toad
1949
as Ichabod Crane (screaming) (voice)

Sleeping Beauty
1959
as Maleficent’s Goon (voice) (uncredited)