Batman: The Killing Joke is a 1988 DC Comics one-shot graphic novel featuring the characters Batman and the Joker written by Alan Moore, illustrated by Brian Bolland, and originally colored by John Higgins. The Killing Joke provides another origin story for the Joker, loosely adapted from the 1951 story "The Man Behind the Red Hood!", which was written by Batman co-creator Bill Finger. The Joker's supposed origin is presented via flashback, while simultaneously depicting his attempt to drive Jim Gordon insane and Batman's desperate attempt to stop him.

Created by Moore, Bolland, and Higgins as their own take on the Joker's source and psychology, the story became famous for its origin of the Joker as a tragic character; a family man and failed comedian who suffered "one bad day" that finally drove him insane. Moore stated that he attempted to show the similarities and contrasts between Batman and the Joker. The story's effects on the mainstream Batman continuity also included the shooting and paralysis of Barbara Gordon (a.k.a. Batgirl), an event that eventually leads her to develop the identity of Oracle, secret data broker for the DC Universe's superhero community and leader of the superhero team Birds of Prey.

Many critics regard the graphic novel as the definitive Joker story and one of the greatest Batman stories ever published. The comic won the Eisner Award for "Best Graphic Album" in 1989 and appeared on The New York Times Best Seller List in May 2009. In 2006, The Killing Joke was reprinted as part of the trade paperback DC Universe: The Stories of Alan Moore. In 2008, DC Comics reprinted the story in a deluxe hardcover edition, which featured new coloring by Bolland, with a more subdued palette than the original. Elements of The Killing Joke have inspired or been incorporated into other aspects of various Batman works.

Background and creation Artist Brian Bolland conceived the idea for the story after watching the 1928 film The Man Who Laughs, which features a character named Gwynplaine (played by Conrad Veidt) whose rictus grin inspired the visual design of the Joker. Bolland's rendition of the Joker was partially influenced by that film. DC editor Dick Giordano's invitation led directly to Bolland working with writer Alan Moore to create a plausible background story for the Joker. He recounted: "I thought about it in terms of who's my favorite writer at the moment, what hero I would really love to do, and which villain? I basically came up with Alan, Batman and the Joker".

Although the story takes pains to stress that it is merely one possible "origin story" for the Joker, it has been widely accepted and adopted into DC continuity, and editor Len Wein had to ask the publisher for approval of a central mutilation of long-running character Barbara Gordon. Bolland said that he saw "Judge Death [as] almost a dry run for drawing the Joker". He also recounted that "by the time Alan had finished Watchmen he had fallen out with DC to a certain extent... in the end, he only continued to do Killing Joke as a favor to me".

The 48-page prestige format one-shot comic took a considerable amount of time to produce. Both Moore and Bolland are well known for their meticulous and time-consuming work; both creators' then-recently finished 12-issue maxiseries titles – Moore's Watchmen and Bolland's Camelot 3000 – had seen delays. Bolland was aided by the laid-back attitude taken by DC, who he says "seemed prepared to let me do it at my own pace". The original editor, Len Wein, left the company, and was replaced by Dennis O'Neil, a "very hands-off sort of guy", with whom Bolland only recalls having one conversation about the book.

Bolland envisaged the flashback sequences in black and white, and instructed Watchmen colorist John Higgins to use "muted November colors". He was upset when he saw the finished comic had "garish... hideous glowing purples and pinks... and my precious Eraserhead-esque flashback sequences swamped in orange". The 2008-published 20th anniversary edition of the book featured new colouring by Bolland, restoring his artistic intentions to the palette. All the original artwork had long disappeared in the hands of collectors but DC figured out a way to reverse engineer the already colored prints to isolate the black & white from the colors. In addition to recoloring, Bolland also did a touchup on several of the characters' faces using Photoshop.

Plot summary

An unnamed man quits his job at a chemical company to become a stand-up comedian, only to fail miserably. Desperate to support his pregnant wife, he agrees to guide two criminals through the chemical plant where he previously worked so that they can rob the playing card company next to it. The police inform him that his wife and unborn child have died in a household accident. Grief-stricken, the comedian tries to withdraw from the plan, but the criminals convince him into keeping his commitment.

At the plant, the criminals encounter security personnel, and a shootout ensues in which the comedian's two accomplices are killed. The comedian is then confronted by Batman. He flees by jumping into the chemical plant's waste pound lock and is swept through a pipe leading outside. He discovers to his shock that the chemicals have permanently bleached his skin chalk-white, stained his lips red and dyed his hair green. His disfigurement, compounded by the loss of his family, drives him completely insane and marks the birth of the Joker. He later admits that he is not sure whether this actually happened, as he tends to remember his past differently at different times.

In present day, Batman goes to Arkham Asylum to talk with the Joker about ending their years-long feud, only to find that the Joker has escaped. The Joker shoots and paralyzes Barbara Gordon and kidnaps her father, Commissioner James "Jim" Gordon. He takes Gordon to an abandoned amusement park, where he tortures and cages him in the park's freak show. He forces Gordon to view blown-up photos of a wounded Barbara, lying stripped nude and in pain on the floor after the shooting. He then puts Gordon on display before the park's freaks, ridiculing him as "the average man", a weakling doomed to insanity.

Batman's attempts to locate Commissioner Gordon are unsuccessful until the Joker sends him an invitation to the amusement park. Though traumatized by his ordeal, Gordon retains his sanity and moral code, and insists that Batman capture the Joker "by the book" to "show him that our way works". Batman dodges a series of booby traps while the Joker tries to persuade his nemesis that the world is a "black, awful joke" that is not worth fighting for, and it only takes "one bad day" to drive an ordinary man insane.

Batman subdues the Joker and tells him that Gordon is as sane as ever, and the Joker is alone in his madness. He offers to help the Joker rehabilitate in order to end their everlasting war, which Batman fears may one day result in a fight to the death. The Joker apologetically declines, saying it is too late for that. He says that the situation reminds him of a joke about two inmates in an asylum who try to escape. Batman chuckles at the joke's punchline, and as the two old foes share a laugh, he grabs the Joker as police arrive.

Themes and analysis The book explores Moore's assertion that, psychologically, "Batman and the Joker are mirror images of each other" by delving into the relationship between the two. The story itself shows how the Joker and Batman came to terms with their respective life-altering tragedies, which both eventually lead to their present lives and confrontation. Critic Geoff Klock further explained that "both Batman and the Joker are creations of a random and tragic 'one bad day'. Batman spends his life forging meaning from the random tragedy, whereas the Joker reflects the absurdity of life, and all its random injustice".Geoff Klock, How to Read Superhero Comics and Why (New York: Continuum, 2002) 52-53. .

The torments that the Joker puts Commissioner Gordon through are meant to serve as "proof that there is something buried deep within each lunatic, a nugget of insanity, that is simply waiting for the right moment to spring forth". Unlike the Joker, however, Gordon emerges from his ordeal with his sanity and moral code intact. The story is also famous for returning Batman to his darker roots, which changed how the Modern Age of Comics perceived the character.Daniels, Les. Batman: The Complete History. Chronicle Books, 1999. pp. 163-164, The Killing Joke delves deep into the character's psychology, framing him as being just as insane as the Joker, and postulating that he and the Joker perceive the world according to differing points of view, with the Joker viewing the world as one big joke.

The final panels of the book have been the subject of interpretation and debate. According to one view, Batman and the Joker, who have been fighting for years, end all of their disputes by having a good laugh about it all. Another interpretation, popularized by comic writer Grant Morrison, is that Batman kills the Joker at the end of the story, hence the title "The Killing Joke". Grant Morrison acknowledges the ambiguous nature of the story's ending, which they believe is a part of its enduring appeal, with the original script providing no further information. Alan Moore has said that, despite the perceived ambiguity, his intention for the ending was for Batman and the Joker to simply share a moment of lucidity before their endless cycle began again.

The Joker serves as an unreliable narrator. He admits to his own uncertainty, as he has disparate memories of the single event ("Sometimes I remember it one way, sometimes another...If I'm going to have a past, I prefer it to be multiple choice!"), accentuating the comic's depiction of "a world unraveling toward relentless urban violence and moral nihilism".

References in other storylines "The King of Comedy" In 1995, Alan Grant wrote a story entitled "The King of Comedy" which appeared in his series Batman: Shadow of the Bat in two parts (#37 and #38). In the story, the Joker kidnaps the audience members who heckled and made fun of him during the stand-up routine he mentions in The Killing Joke, while Batman and a revenge-seeking bounty hunter named Wild Norton try to track him down.

Oracle Year One: Born of Hope In 1996, John Ostrander and Kim Yale wrote a story entitled "Oracle: Year One: Born of Hope" which appeared in The Batman Chronicles #5. The story consists of Barbara recounting the events of The Killing Joke from her perspective, and the immediate aftermath of those events, including her recovery from her injuries and her adoption of the Oracle mantle.

No Joke In 2007, Geoff Johns wrote a companion story to The Killing Joke entitled "No Joke" that appeared in the series Booster Gold.