The anonymous protagonist of Zork: Grand Inquisitor was given the name AFGNCAAP (Ageless, Faceless, Gender-Neutral, Culturally-Ambiguous Adventure Person) by Dalboz of Gurth near the beginning of the adventure.
AFGNCAAP was a PermaSuck-brand vacuum cleaner salesperson who became wanted by the Inquisition in 1067 GUE after discovering the spirit of Dalboz of Gurth inside an old lamp. Escaping to the underground, with Dalboz's help, they brought magic back to the land and ended the Inquisition government. As a reward, Dalboz awarded them with the title of Dungeon Master.