
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.
Acted in 1
2010s
- 2011
Batman Year One: A Conversation with DC Comics
Movie
Wrote 17
2020s
- 2026
- 2025
- 2024
- 2022
- 2021
- 2020
Deathstroke: Knights & Dragons
Characters
2010s
- 2019
- 2018
- 2016
- 2010
1990s
- 1992
No release date
Other crew 1
2020s
- 2021
Appearances18
2020s
- 2023
- 2020
Joker: Put on a Happy Face
Self
2010s
- 2019
- 2017
- 2013
Superheroes: A Never-Ending Battle
Self · 3 episodes
Masterpiece: Frank Miller's The Dark Knight Returns
Himself
The Fire Rises: The Creation and Impact of The Dark Knight Trilogy
Self
Superman vs. Batman: When Heroes Collide
Self
- 2012
- 2010
Secret Origin: The Story of DC Comics
Self
Robin: The Story of Dick Grayson
Self
2000s
- 2008
Batman Unmasked: The Psychology of The Dark Knight
Self
- 2007
The Legends Behind the Comic Books
Self
- 2006
The Science of Superman
Self
Look, Up in the Sky! The Amazing Story of Superman
Self
- 2005
Legends of the Dark Knight: The History of Batman
Self
- 2003
Comic Book Superheroes Unmasked
Self
- 2001
Comic Books & Superheroes
Self
Thanked in the credits4
2020s
- 2022
- 2021
2010s
- 2018
- 2016