Rheuzz'r was the Gorn captain of the Gorn starship, Herregtha. (Ship Recognition Manual, Volume 4: Starships of the Original Series Era) In 2267, Rheuzz'r was selected by the Metrons to face James T. Kirk in personal combat. He was defeated by Kirk and returned to his vessel by the Metrons. (TOS: "Arena") In "Arena" the Gorn captain was never named.