User:SOTO/Forum Archive/The Reference Desk/@comment-6047958-20160409035536/@comment-10983683-20160413205853

User:SOTO/Forum Archive/The Reference Desk/@comment-6047958-20160409035536/@comment-10983683-20160413205853 It was first used in the Seventh Doctor novel Love and War by Paul Cornell. It's been used a couple other times outside the tv series; see Aliases of the Doctor for a full listing.