Melanie Bush (He Jests at Scars...)

Melanie Bush was a human. In one timeline, she died of a brain tumour on Earth in 2012. In another timeline, she died in the crash of the spaceship Nosferatu II while travelling with Sabalom Glitz. In yet another timeline, she travelled as the companion of the Valeyard. (BFDWU: He Jests at Scars)