Everett Clark was a voice actor best known for voicing the Grampy character in a number of 1935-1937 Betty Boop cartoon shorts.
as Grandma (voice) (uncredited)
as Grampy (voice) (uncredited)
as Grampy (voice) (uncredited)
as Grampy (voice) (uncredited)
as Prof. Grampy (voice) (uncredited)
as Grampy (voice) (uncredited)