Garth worked as the Master's driver when the Master was using the name Dr Howard Chithros. Garth had a prison record. He was aware of the Master's plan of kidnapping babies in 1987 and bringing them forward to 2067.
Garth also worked in the Master's mansion, taking care of the elderly people conned by the Master. Garth, who had robbed elderly people before, felt the Master's form of robbery was compassionate, as it did not involve violence. (PROSE: Stop the Pigeon)