The character, created by Alan Moore, Stephen R. Bissette, and John Totleben first appeared in Swamp Thing (vol.
The first UK editions, printed by Titan Books, reprinted the original colour issues in black and white.
The new editions also include short stories, prose pieces, original graphic novels, related mini-series, and crossover issues from other series, most commonly Swamp Thing.
In 2011, Vertigo started reprinting the series in new, numbered trade paperbacks in chronological order.
The novel War Lord treats the film Constantine as an alternate universe within the comics' continuity.