Kamelion was a shape-changing android. Used by the Master to impersonate King John, he later traveled as a companion to the Fifth Doctor. (TV: The King’s Demons) This continued until his destruction after he had again fallen under the influence of the Master. (TV: Planet of Fire)

However, this was not the end for him. He gained and lost a new host body, (PROSE: The Ultimate Treasure) had a child with the Doctor’s TARDIS (PROSE: The Reproductive Cycle) and used his mental link with the Doctor to allow the Master to trap the Doctor within a dreamscape. (AUDIO: Winter)

Appearances

Doctor Who:

Season 21:
–Planet of Fire
–The Caves of Androzani