David (Daleks' Invasion Earth 2150 A.D.)
From Tardis Wiki, the free Doctor Who reference
David was an underground rebel fighting the Daleks in London in 2150. He met Dr. Who, Susan, Louise and Tom Campbell when Tardis landed in the city. (TV: Daleks' Invasion Earth 2150 A.D.)
The Dalek Survival Guide indicated that this version of David Campbell came from a version of reality "B" relative to the First Doctor's version of reality "A". (PROSE: Dalek Survival Guide)
