Embedded Player The late Daws Butler was the voice behind many characters in the Hanna-Barbera TV menagerie, including Yogi Bear and Huckleberry Hound. A gifted mimic, Butler passed on his craft through workshops he started in the '70s and wrote hundreds of scenes for students. Now, former student Joe Bevilacqua has published a collection of Butler's teaching materials for a new generation of voice actors. Hear some of Butler's lessons.