Batman: The Killing Joke

TL;DR — The Essence

The Joker has a theory: it only takes one terrible day to turn an ordinary person as mad as he is. To prove it, he shoots and paralyzes Barbara Gordon, kidnaps her father Commissioner Gordon, and subjects him to a nightmarish carnival designed to break his mind. Intercut with flashbacks to a possible origin — a failed comedian pushed toward crime by desperation — the story builds toward a final, ambiguous confrontation between Batman and the Joker that never fully resolves what either of them has become.

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Why It’s Worth Reading

1. It Gave the Joker His Most Influential Origin Story — Without Confirming It’s True

Moore frames the Joker’s backstory as something even the Joker himself isn’t sure of — “multiple choice,” as the character puts it. That refusal to settle the question became hugely influential, letting the character remain fundamentally unknowable in nearly every version since.

2. Brian Bolland’s Art Set the Visual Standard for the Character

Bolland’s clean, precise linework and expressive faces — especially his Joker — became a reference point for how the character would be drawn for decades. The recolored Deluxe Edition, done by Bolland himself decades later, is now the most commonly read version.

3. It’s Also the Book Most Associated With a Real, Ongoing Debate About Its Ethics

The graphic violence against Barbara Gordon, done specifically to motivate two male characters, has been a point of serious critique for decades — including from some of the creators involved. That tension is part of why the book is still discussed as intensely as it’s read.

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Creative Team

The Killing Joke was written by Alan Moore, illustrated by Brian Bolland, and originally colored by John Higgins for its March 1988 release as a one-shot graphic novel. Decades later, Bolland recolored the entire book himself for a Deluxe Edition, which is now the most widely available printing. It was adapted into an R-rated animated film in 2016, with Mark Hamill reprising his Joker voice role from Batman: The Animated Series.

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Who Should Read This

This is short — closer to a long single issue than a full graphic novel — and works best as a companion to a longer Batman-Joker story like Hush rather than a starting point on its own. It’s essential if you want to understand where a large amount of modern Joker characterization originates, but it isn’t a light or easy read given its subject matter.

If Absolute Batman or White Knight showed you a reinvented Joker, this is close to the source material both are reacting to and reworking.

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Frequently Asked Questions

What is Batman: The Killing Joke about? The Joker tries to prove that one terrible day can drive anyone insane, targeting Commissioner Gordon and his daughter Barbara while flashbacks suggest a possible, ambiguous origin for the character himself.

Is the Joker’s origin in The Killing Joke canon? It’s deliberately left ambiguous — even within the story, the Joker says he prefers his past to be “multiple choice.”

Is there a Killing Joke movie? Yes, a 2016 animated adaptation rated R, with Mark Hamill voicing the Joker.

Why is The Killing Joke controversial? The story’s treatment of Barbara Gordon — shot and paralyzed specifically to motivate the male characters around her — has been criticized for decades, including by some of its own creators.