Shirley Anne Bingham was UNIT's fifty-sixth scientific adviser. She was a wheelchair user. Shirley could sit in her wheelchair with crossed legs, indicating that she was not paraplegic, but had some other type of physical disability.
You may add anything you like so long as you are respectful. PLEASE only submit canon characters!! Headcanons are fine and should be put under their own story. I have a Neurodivergent head/canon story here: https://www.mycast.io/stories/neurodivergent-headcanons
