Faction Paradox is a series of novels, audio stories, short story anthologies, and comics set in and around a "War in Heaven", a history-spanning conflict between godlike "Great Houses" and their mysterious enemy. The series is named after a group originally created by author Lawrence Miles for BBC Books' Doctor Who novels.

The Eighth Doctor is an incarnation of the Doctor, the protagonist of the British science fiction television series Doctor Who. He is portrayed by Paul McGann.