Artemis (No Future)

Artemis was a Chronovore captured by Mortimus. Mortimus utilised the innate power that the Chronovore had to; create an alternate universe in which the Doctor was killed by the Silurian Morka, he also engineered using its power the ressurection of the Garvond, the empowerment of Huitzilin and the restoration of the Land of Fiction. He also used its power to release the Varda from a time loop. She was imprisoned within his TARDIS and released by Ace. It departed Earth in 1976 in Mortemis' TARDIS with the aim or torturing him for keeping it prisoner. (NA: No Future)