Thread:Turtle365/@comment-15395126-20151027125547/@comment-27270572-20151103232956

To reinvent a villain is very difficult within any series but to make sure that they still retain that menancing feeling that they had in their previous appearances. To achieve a new version of this villain whilst still portraying them as the previous one can be very difficult but making them into a three dimension characters with a chilling backstory or even their reason being particularly unnerving. In regards to how to structure a script here ie how the showrunner dees it:

http://www.bbc.co.uk/writersroom/scripts/doctor-who-series-9