Dennis O'Neil

Person

Dennis O'Neil

Acting May 3, 1939

St. Louis, Missouri, USA

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…

IMDb

Known for

Popular titles

The Batman

The Batman

7.7 2022 Movie
What If...?

What If...?

8.0 2021 TV Show
Titans

Titans

7.9 2018 TV Show
DC's Legends of Tomorrow

DC's Legends of Tomorrow

7.2 2016 TV Show
Madame Web

Madame Web

5.3 2024 Movie
Batman: The Animated Series

Batman: The Animated Series

8.6 1992 TV Show
Young Justice

Young Justice

8.4 2010 TV Show
Justice League Dark: Apokolips War

Justice League Dark: Apokolips War

8.2 2020 Movie
Batman: Bad Blood

Batman: Bad Blood

7.0 2016 Movie
Batman: Knightfall Part 1: Knightfall

Batman: Knightfall Part 1: Knightfall

9.2 2026 Movie
Suicide Squad: Hell to Pay

Suicide Squad: Hell to Pay

7.1 2018 Movie
Batman vs Teenage Mutant Ninja Turtles

Batman vs Teenage Mutant Ninja Turtles

7.2 2019 Movie

Biography

A closer look

Read full biography

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. Description above from the Wikipedia article Dennis O'Neil, licensed under CC-BY-SA, full list of contributors on Wikipedia.

Filmography

Movies and shows, newest first

  1. 2026
    Batman: Knightfall Part 1: Knightfall

    Movie Comic Book

  2. 2025
    Batman Ninja vs. Yakuza League

    Movie Characters

  3. 2024
    Batman: Caped Crusader

    TV show Characters

  4. 2024
    Justice League: Crisis on Infinite Earths Part Three

    Movie Characters

  5. 2024
    Justice League: Crisis on Infinite Earths Part Two

    Movie Characters

  6. 2024
    Madame Web

    Movie Characters

  7. 2023
    Superpowered: The DC Story

    TV show Self

  8. 2022
    Green Lantern: Beware My Power

    Movie Characters

  9. 2022
    The Batman

    Movie Thanks

  10. 2021
    What If...?

    TV show Thanks

  11. 2021
    Batman: Soul of the Dragon

    Movie Characters

  12. 2020
    Joker: Put on a Happy Face

    Movie Self

  13. 2020
    Justice League Dark: Apokolips War

    Movie Characters

  14. 2020
    Deathstroke: Knights & Dragons

    TV show Characters

  15. 2019
    Knight Immortal

    Movie Self

  16. 2019
    Batman vs Teenage Mutant Ninja Turtles

    Movie Characters

More credits
  1. 2018
    Titans

    TV show Thanks

  2. 2018
    Suicide Squad: Hell to Pay

    Movie Characters

  3. 2016
    DC's Legends of Tomorrow

    TV show Thanks

  4. 2016
    Batman: Bad Blood

    Movie Characters

  5. 2013
    Superheroes: A Never-Ending Battle

    TV show Self

  6. 2013
    Masterpiece: Frank Miller's The Dark Knight Returns

    Movie Himself

  7. 2013
    The Fire Rises: The Creation and Impact of The Dark Knight Trilogy

    Movie Self

  8. 2013
    Superman vs. Batman: When Heroes Collide

    Movie Self

  9. 2012
    Comic Book Men

    TV show Self

  10. 2011
    Heart of Vengeance: Returning Batman to His Roots

    Movie

  11. 2011
    Batman Year One: A Conversation with DC Comics

    Movie

  12. 2010
    Young Justice

    TV show Characters

  13. 2010
    Secret Origin: The Story of DC Comics

    Movie Self

  14. 2010
    Robin: The Story of Dick Grayson

    Movie Self

  15. 2010
    Robin's Requiem

    Movie himself

  16. 2008
    Batman Unmasked: The Psychology of The Dark Knight

    Movie Self

  17. 2007
    The Legends Behind the Comic Books

    Movie Self

  18. 2006
    The Science of Superman

    Movie Self

  19. 2006
    Look, Up in the Sky! The Amazing Story of Superman

    Movie Self

  20. 2005
    Legends of the Dark Knight: The History of Batman

    Movie Self

  21. 2003
    Comic Book Superheroes Unmasked

    Movie Self

  22. 2001
    Comic Books & Superheroes

    Movie Self

  23. 1992
    Batman: The Animated Series

    TV show Writer