Toran

Toran was a UNSC AI construct. He was classified as a "dumb" AI, as opposed to Cortana, who can hack into anything. Toran knows only what he was designed to know. He was assigned to the Diplomatic Shuttle Han with Jacob Keyes and Dr. Catherine Halsey during the Spartan-II candidate evaluation mission.

Trivia

 * He was likely named after Toran, a sacred element of Buddhist architecture.