Dennis O'Neil
Dennis Joseph O'Neil (May 3, 1939 – June 11, 2020) was an American comic book writer and editor, principally for Marvel Comics and DC Comics from the 1960s through the 1990s, and Group Editor for the Batman family of titles until his retirement.
His best-known works include Green Lantern/Green Arrow and Batman with Neal Adams. It was during this run that O'Neil co-created the Batman villains Ra's al Ghul and Talia al Ghul. His other notable work includes runs on The Shadow with Michael Kaluta and The Question with Denys Cowan. As an editor, he is principally known for editing the various Batman titles. He also sat on the board of directors of the charity The Hero Initiative and served on its Disbursement Committee.
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Photos
Films (31)

Batman: Knightfall Part 2: Knightquest
2026 · Comic Book, Characters

Batman Knightfall - Partie 1
2026 · Comic Book, Characters

Batman Ninja vs. Les Yakuzas
2025 · Characters

Justice League : Crisis on Infinite Earths Partie 3
2024 · Characters

Justice League : Crisis on Infinite Earths Partie 2
2024 · Characters

Madame Web
2024 · Characters

Green Lantern : Méfiez-vous de mon pouvoir
2022 · Characters

Le Batman
2022 · Thanks

Batman: Soul of the Dragon
2021 · Characters, In Memory Of

Joker: Put on a Happy Face
2020 · Self

Justice League Dark: Apokolips War
2020 · Characters

Knight Immortal
2019 · Self

Batman et les Tortues Ninja
2019 · Characters

Suicide Squad : Le Prix de l'enfer
2018 · Characters

Batman: Mauvais Sang
2016 · Characters

Masterpiece: Frank Miller's The Dark Knight Returns
2013 · Himself

The Fire Rises : The Creation and Impact of The Dark Knight Trilogy
2013 · Self

Superman vs. Batman: When Heroes Collide
2013 · Self
Heart of Vengeance: Returning Batman to His Roots
2011

Batman Year One: A Conversation with DC Comics
2011

Secret Origin: The Story of DC Comics
2010 · Self

Robin: The Story of Dick Grayson
2010 · Self
Robin's Requiem
2010 · himself

Batman Unmasked: The Psychology of The Dark Knight
2008 · Self

The Legends Behind the Comic Books
2007 · Self

The Science of Superman
2006 · Self

L'incroyable histoire de Superman
2006 · Self

Legends of the Dark Knight: The History of Batman
2005 · Self

Comic Book Superheroes Unmasked
2003 · Self

Comic Books & Superheroes
2001 · Self

Batman: Knightfall Part 3: KnightsEnd
· Comic Book, Characters
Séries (11)

Batman : Le Justicier masqué
2024 · Characters

Superpoderosos: La Historia de DC
2023 · Self

What If...?
2021 · Thanks

Deathstroke: Knights & Dragons
2020 · Characters

Titanes
2018 · Thanks

Les grands jeux
2017 · Self

DC : Les légendes de demain
2016 · Thanks

Super héros : l’éternel combat
2013 · Self

Comic Book Men
2012 · Self

La Ligue des justiciers : Nouvelle génération
2010 · Characters

Batman : La Série animée
1992 · Writer, Story
