Tarmin was an Ullian telepathic historian and the most proficient of his group. He had at least one son, Jev. Tarmin was trained in the art of telepathic memory retrieval. He considered himself an "archaeologist of the mind," and was proud of his ability. Tarmin had a large ego and was not ashamed of embarrassing his son in public, generally finding it amusing. Tarmin was played by actor David Sage.