Portrait of Dennis O'Neil

Dennis O'Neil

Bio: 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
Born: Wed, May 03 1939
Birthplace: St. Louis, Missouri, USA

Death: Thu, Jun 11 2020
Dennis O'Neil is 81 years old
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Acting Roles
Crew Roles

Movies (As Crew)

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Poster of Justice League: Crisis on Infinite Earths Part Three
Justice League: Crisis on Infinite Earths Part Three
Dennis O'Neil would have been no older than
81 in Justice League: Crisis on Infinite Earths Part Three
as 'Characters'.
Mon, Jul 15 2024
Poster of Justice League: Crisis on Infinite Earths Part Two
Justice League: Crisis on Infinite Earths Part Two
Dennis O'Neil would have been no older than
81 in Justice League: Crisis on Infinite Earths Part Two
as 'Characters'.
Mon, Apr 22 2024
Poster of Madame Web
Madame Web
Dennis O'Neil would have been no older than
81 in Madame Web
as 'Characters'.
Wed, Feb 14 2024
Poster of Green Lantern: Beware My Power
Green Lantern: Beware My Power
Dennis O'Neil would have been no older than
81 in Green Lantern: Beware My Power
as 'Characters'.
Thu, May 19 2022
Poster of The Batman
The Batman
Dennis O'Neil would have been no older than
81 in The Batman
as 'Thanks'.
Tue, Mar 01 2022
Poster of Batman: Soul of the Dragon
Batman: Soul of the Dragon
Dennis O'Neil would have been no older than
81 in Batman: Soul of the Dragon
as 'Characters, In Memory Of'.
Tue, Jan 12 2021
Poster of Justice League Dark: Apokolips War
Justice League Dark: Apokolips War
Dennis O'Neil was
81 in Justice League Dark: Apokolips War
as 'Characters'.
Tue, May 05 2020
Poster of Batman vs Teenage Mutant Ninja Turtles
Batman vs Teenage Mutant Ninja Turtles
Dennis O'Neil was
79 in Batman vs Teenage Mutant Ninja Turtles
as 'Characters'.
Sun, Mar 31 2019
Poster of Suicide Squad: Hell to Pay
Suicide Squad: Hell to Pay
Dennis O'Neil was
78 in Suicide Squad: Hell to Pay
as 'Characters'.
Fri, Mar 23 2018
Poster of Batman: Bad Blood
Batman: Bad Blood
Dennis O'Neil was
76 in Batman: Bad Blood
as 'Characters'.
Tue, Jan 19 2016
Poster of Snowbirds Don't Fly
Snowbirds Don't Fly
Dennis O'Neil was
75 in Snowbirds Don't Fly
as 'Story'.
Fri, Apr 24 2015

TV Shows (As Crew)

Sorted by Release Date
Ages in TV shows are based off the first air date and may not be accurate. View individual episode details for accurate ages
Poster of Batman: Caped Crusader
Batman: Caped Crusader
Dennis O'Neil would have been no older than
81 in Batman: Caped Crusader
as 'Characters'.
First Air Date
Thu, Aug 01 2024
Poster of What If...?
What If...?
Dennis O'Neil would have been no older than
81 in What If...?
as 'Thanks'.
First Air Date
Wed, Aug 11 2021
Poster of Deathstroke: Knights & Dragons
Deathstroke: Knights & Dragons
Dennis O'Neil was
80+ in Deathstroke: Knights & Dragons
as 'Characters'.
First Air Date
Mon, Jan 06 2020
Poster of Titans
Titans
Dennis O'Neil was
79+ in Titans
as 'Thanks'.
First Air Date
Fri, Oct 12 2018
Poster of DC's Legends of Tomorrow
DC's Legends of Tomorrow
Dennis O'Neil was
76+ in DC's Legends of Tomorrow
as 'Thanks'.
First Air Date
Thu, Jan 21 2016
Poster of Young Justice
Young Justice
Dennis O'Neil was
71+ in Young Justice
as 'Characters'.
First Air Date
Fri, Nov 26 2010
Poster of Batman: The Animated Series
Batman: The Animated Series
Dennis O'Neil was
53+ in Batman: The Animated Series
as 'Writer, Story'.
First Air Date
Sat, Sep 05 1992