Alan Oswald Moore (born 18 November 1953) is an English writer primarily known for his work in comic books, a medium where he has produced a number of critically acclaimed and popular series, including Watchmen, V for Vendetta, and From Hell. Frequently described as the best comic writer in history, he has also been described as "one of the most important British writers of the last fifty years". He has occasionally used such pseudonyms as Curt Vile, Jill de Ray, and Translucia Baboon.
He is most notable for creating the character John Constantine, who first appeared in The Saga of the Swamp Thing #37 (June 1985) whom Moore has written.