Sally Salter

Mickey Smith had a transgender friend called Sally Salter, who was part of his Bad Wolf band. She was "sharp, spiky-haired and cautious", and always wore a smile.

In 2005, Sally hadn't returned to her parents' house since she began transitioning. She also had no place of her own, keeping clothes and a toothbrush at five different flats across the Powell Estate, including Mickey's one-bedroom. (PROSE: Rose)

Behind the scenes
Sally was the first trans character in the DWU to be presented in a positive light, though she was only briefly mentioned in the 2018 Rose novelisation.

Around 7 months after Russell T Davies' novelisation was published, AUDIO: The Jabari Countdown by Big Finish Productions introduced the first trans character to play a major role in a DWU story, Eleanor Blake. Eleanor had a brief romance with Chris Cwej, and worked alongside the Seventh Doctor to save Earth.