Parry is a man with a previous life that was so damaged that he had to create another personality. … It's like post-traumatic stress syndrome: Some people respond to traumatic or tragic events by withdrawal; some even create other personalities. Parry is a creation — somewhat Don Quixote, somewhat Groucho Marx — but he's a creation designed to avoid a past event.

On his role in The Fisher King (1991), as quoted in "Dreams: The Fisher King" (2006) edited by Phil Stubbs