Huckleberry Hound, Yogi Bear and the gang meet the Flintstones! Pencil Test followed by color version. Director: Sam Cornell. Storyboard and Layouts: Scott Shaw! Flintstones animation: Todd Shaffer. Huck and Yogi animation: Mike Kazaleh. From Duck Soup Producktions. Flintstones owned by Warner Bros. Fruity and Cocoa Pebbles owned by Kraft/Post.