Alan Moore is an English writer. Moore's most significant Batman related work is Batman: The Killing Joke, pencilled by Brian Bolland. Prior to this he did a crossover with Swamp Thing in Gotham and wrote the Preston Payne story Mortal Clay, in Batman Annual #11.
The Killing Joke has become one the most influential and debated stories ever published by DC. Moore is uncredited on its 2016 animated feature and receives no royalties at his request, like all movie adaptations of his work.
Swamp Thing #52, #53, #54, #55
Preston Payne goes to a department store to proclaim his love for the mannequin Helena and encounters Batman.