Unknown Played byUnknown Years activeUnknown Travelled withUnknown First storyUnknown Last storyUnknown Previous CompanionUnknown Next CompanionUnknown Chris and Meg Griffin were a brother and sister pair who traveled with the sexiest Doctor offscreen before Davros erased them from his memory (really, Davros was in a position where he could alter the Doctor's mind and all he did was make him forget a couple of companions?). Davros then used the two for his own ruthless needs, using Sammy to monitor the Doctor or something, and infecting Gemma with a diseasle that would turn all humans into Daleks (though this didn't work and she turned into a giant bug).