Donald John "Don" DeFore (August 25, 1913 – December 22, 1993) was an American film, radio, and television actor. DeFore is best known as Erskin "Thorny" Thornberry, the Nelson family's neighbor on the long running sitcom
The Adventures of Ozzie and Harriet and as George "Mr. B." Baxter on the 1960s sitcom
Hazel.