Goober

13 clues
Yokel
Doofus
Peanut
Dimwit
Dixie peanut
Gomer's cousin
Southern peanut
Peanut, in Dixie
Peanut, informally
Peanut, in the South
Southern snack morsel
Chocolate-covered Nestlé item
George Lindsey's "Mayberry R.F.D." role