Denton was a command division Starfleet crewperson assigned the USS Enterprise in the mid-2260s. Around stardate 26:06.4, Denton was chosen to join a landing party to the planet named Numero Uno, in Galaxy Zelta. When a fellow landing party member was assulted by guard robots, Commander Spock requested that Denton hand over his canteen of water to help short out the automaton. (TOS comic: "The Ghost Planet")