Vance DeBar Colvig Jr. was an American character actor. He was the first to portray Bozo the Clown on a Harmon-licensed television program and lent his voice to the Chopper bulldog character on The Yogi the Bear Show. In the 1980s, he made guest appearances in various television series and music videos. Description above from the Wikipedia article Vance Colvig, licensed under CC-BY-SA, full list of contributors on Wikipedia.