John Cenastone is a tall and muscular caveman with fair skin, dark tan-brown hair and a handsome face including thick dark tan-brown eyebrows and black beady eyes.
As an employee at the Slate Rock and Gravel Company, he wears a yellow loin-cloth and a purple short loin-cloth.
As a wrestler, he is bare-chested and wears a white stone necklace with green wrist cuffs on his arms, a green shoulder cuff on his upper right arm and a blue pants loin-cloth with a black belt and a white buckle.
- The Flintstones & WWE: Stone Age SmackDown! - (only appearance)