Fourth Doctor (The Warrior's universe)

In an alternative universe, a version of the Fourth Doctor fulfilled his mission to alter the creation of the Daleks. (AUDIO: Dust Devil)

Biography
The Fourth Doctor was sent by the Time Lords to prevent the creation of the Daleks. (TV: Genesis of the Daleks) After he decided to go ahead with the mission, he witnesses the death of Sarah Jane Smith and Harry Sullivan by a prototype Dalek, before being brought back to Gallifrey, where Narvin revealed his mission wasn't entirely successful and had created another version of the Time War.

Using an elixir created by the Sisterhood of Karn, Narvin assisted the Doctor in his regeneration into the Warrior. (AUDIO: Dust Devil)