Name:
Petrella
Species:
Trakenite
Place of Origin:
Traken
Job:
Doctor
First Mentioned In:
Doctor Who and the Keeper of Traken
Appearance:
Primeval
Main Voice Actor:
Susan Penhaligon
Shayla was the greatest medical doctor in Trakenite history and the first Keeper of Traken. The Fifth Doctor and Nyssa met her circa 1000 BC. (Primeval)