Dennis O'Neil
Acting
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.
Known for
Acting20
Writing16
movieBatman Ninja vs. Yakuza League
2025
Characters
tvBatman: Caped Crusader
2024
Characters
movieMadame Web
2024
Characters
movieGreen Lantern: Beware My Power
2022
Characters
movieBatman: Soul of the Dragon
2021
Characters
tvDeathstroke: Knights & Dragons
2020
Characters
movieSuicide Squad: Hell to Pay
2018
Characters
movieBatman: Bad Blood
2016
Characters
tvYoung Justice
2010
Characters
tvBatman: The Animated Series
1992
Writer, Story
Crew5
movieThe Batman
2022
Thanks
tvWhat If...?
2021
Thanks
movieBatman: Soul of the Dragon
2021
In Memory Of
tvTitans
2018
Thanks