Cristophe Zarodnix

Cristophe Zarodnix was a member of the Cult of Morbius.

Biography
Zarodnix forced The Doctor to go into the past and bring Morbius back. He also drained power from the heart of The Doctor's TARDIS. (BFA: The Vengeance of Morbius)

He was a merchant, buying and selling planets. Among others he bought Karn from the Sisterhood of Karn. (BFA: Sisters of the Flame)