Edward Grainger

Edward Grainger was a human who was visited by the Doctor in various periods throughout his life.

During childbirth, Edwards mother and family were under attack by a Demon, the Demon wanted to possess Edwards body and use it as a vessel so it could live in the real world. however the Doctor managed to banish the Demon before it caused any harm to Edward. (ST: Prologue)

Later in Edwards life the Doctor came to visit Edward and allowed him to travel in the TARDIS to the village where he was born in 1906. Edward slept in the TARDIS during flight and was called in his dreams to the Eye of Harmony where a voice told him to open the Eye. Doing so Edward released the Master who killed him shortly after during his escape. (ST: Forgotten)