Jareth was an inhabitant of Solturis and the son of Redlin.
Although he was a very lazy young man, he was convinced by Mirva to take action against the Daleks, who were planning to conquer the planet. Together they discovered that the Daleks had stolen the Pentaray and substituted a fake one in its place. He killed Geltis and used the Pentaray to destroy the Daleks. (COMIC: The Penta Ray Factor) A report detailing this event was in the possession of MI5 agent Blacker aboard his yacht in January 1965. (TV: The Man from MI.5)