Jimmy is a tall and slender caveman with fair skin and a handsome face with brown hair, black eyes and stylized black eyebrows. He wears a orange and black-spotted loin-cloth with a golden inside loin cloth and a black tie.
- "Shinrock A Go-Go" - (only appearance)
- According to production notes, host Jimmy O'Neil and the then-pouplar show, Shindig! were caricatured with typical Flintstones-style spoofs as "Shinrock" and "Jimmy O'Neillstone."
Community content is available under CC-BY-SA unless otherwise noted.