Series 9 Rumours & Speculation

[Mallarme]

Oh yes of course! How could I forget about the LV1 Thanks for the reminder everyone
What were Peter's exact words?
If it was 'someone isn't 'what' we think they are', then the reincarnation or reappearance of another past character could still be in the mix.
But if he says 'someone isn't 'who' we think they are', then it could likely be ruled out.
Thank you all for replying to my comments too... as a new poster on here, I came home from work tonight and was thrilled that I got some replies