Corey Feldman, who was an actor in the horror comedy film The Lost Boys, was also the voice of Copper a hound dog in what animated film?
The Lost Boys: The Lost Boys is a 1987 American horror comedy film directed by Joel Schumacher and starring Jason Patric, Corey Haim, Kiefer Sutherland, Jami Gertz, Corey Feldman, Dianne Wiest, Edward Herrmann, Alex Winter, Jamison Newlander, and Barnard Hughes. Corey Feldman:  He became well known during the 1980s, with roles as a youth in films such as the voice of Young Copper in "The Fox and the Hound" (1981), Tommy Jarvis in "" (1984), Pete Fountaine in "Gremlins" (1984), Clark 'Mouth' Devereaux in "The Goonies" (1985), Teddy Duchamp in "Stand by Me" (1986), Edgar Frog in "The Lost Boys" (1987) and Ricky Butler in "The 'Burbs" (1989).
The Fox and the Hound