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Denny O'Neil

Dennis O'Neal began as Stan Lee's editorial assistant in the mid-1960s. He wrote comic stories for Batman starting in the 1970s, and was one of the guiding forces behind returning the Batman character to its dark roots from the campiness of the '60s. He's written several novels, comics, short stories, reviews and teleplays, including the ... See full bio »
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Known For

Justice League
(2001)
G.I. Joe
G.I. Joe Writer
(1985)
Batman: The Animated Series
(1992-1995)
Batman: Arkham City
(2011)

Filmography

Hide Hide Show Show Writer (13 credits)
 2014-2016 Gotham (TV Series) (character: Dr. Leslie Maurin Thompkins - 24 episodes)
- Wrath of the Villains: Into the Woods (2016) ... (character: Dr. Leslie Maurin Thompkins - uncredited)
- Wrath of the Villains: Mad Grey Dawn (2016) ... (character: Dr. Leslie Maurin Thompkins - uncredited)
- Wrath of the Villains: This Ball of Mud and Meanness (2016) ... (character: Dr. Leslie Maurin Thompkins - uncredited)
- Wrath of the Villains: A Dead Man Feels No Cold (2016) ... (character: Dr. Leslie Maurin Thompkins - uncredited)
- Wrath of the Villains: Mr. Freeze (2016) ... (character: Dr. Leslie Maurin Thompkins - uncredited)
 2015 Season of Infamy (Video Game) (characters: Ra's al Ghul - uncredited)
 2014 Son of Batman (Video) (character: Ra's al Ghul, Talia al Ghul & Ubu - uncredited)
 2013 Batman: Arkham Origins (Video Game) (character: Lady Shiva - uncredited)
 2013 Batman: Arkham Origins - Blackgate (Video Game) (character: Ben Turner/Bronze Tiger - uncredited)
 2011 Batman: Arkham City (Video Game) (characters: Ra's al Ghul, Talia al Ghul & Michael Washington Lane/Azrael - uncredited)
 2008 Lego Batman: The Videogame (Video Game) (character: Ra's al Ghul - uncredited)
 2001 Justice League (TV Series) (character: John Stewart - 5 episodes)
- The Enemy Below (2001) ... (character: John Stewart)
- In Blackest Night: Part II (2001) ... (character: John Stewart)
- In Blackest Night (2001) ... (character: John Stewart - uncredited)
- Secret Origins: Part III (2001) ... (character: John Stewart - uncredited)
- Secret Origins: Part II (2001) ... (character: John Stewart - uncredited)
 1996-1998 Spider-Man (TV Series) (character: Madame Web - 11 episodes)
- Spider Wars, Chapter 2: Farewell Spider-Man (1998) ... (character: Madame Web - uncredited)
- Spider Wars, Chapter 1: I Really, Really Hate Clones (1998) ... (character: Madame Web - uncredited)
- Secret Wars, Chapter 1: Arrival (1997) ... (character: Madame Web - uncredited)
- The Return of Hydro-Man: Part 2 (1997) ... (character: Madame Web - uncredited)
- Sins of the Fathers Chapter 14: The Turning Point (1996) ... (character: Madame Web - uncredited)
  Batman: The Animated Series (TV Series) (character: Dr. Leslie Maurin Thompkins - 5 episodes, 1992 - 1993) (based on the comic book stories "Daughter of the Demon" & "The Demon Lives Again" by - 2 episodes, 1993) (character: Ra's al Ghul - 1 episode, 1995) (character: Ra's al Ghu, Talia al Ghu & Ubu - 1 episode, 1994) (based on the comic book story "A Vow From the Grave" by - 1 episode, 1994) (character: Maxie Zeus - 1 episode, 1993) (character: Ra's al Ghul, Talia al Ghul & Ubu - 1 episode, 1993) (story by - 1 episode, 1993) (characters: Ra's al Ghul, Talia al Ghul & Ubu - 1 episode, 1993) (written by - 1 episode, 1993) (based on the comic book story "The Joker's Five-Way Revenge" by - 1 episode, 1993) (based on the comic book story "Into the Den of the Death-Dealers" by - 1 episode, 1992) (characters: Ra's al Ghul & Talia al Ghul - 1 episode, 1992) (character: Anthony Lupus/The Werewolf - 1 episode, 1992) (based on the comic book story "There Is No Hope in Crime Alley" by - 1 episode, 1992)
- Showdown (1995) ... (character: Ra's al Ghul - uncredited)
- Avatar (1994) ... (character: Ra's al Ghu, Talia al Ghu & Ubu - uncredited)
- Sideshow (1994) ... (based on the comic book story "A Vow From the Grave" by)
- Paging the Crime Doctor (1993) ... (character: Dr. Leslie Maurin Thompkins - uncredited)
- Fire from Olympus (1993) ... (character: Maxie Zeus - uncredited)
 1993 X-Men (TV Series) (character: Kenji Oyama/The Professor - 1 episode)
- Repo Man (1993) ... (character: Kenji Oyama/The Professor - uncredited)
 1989 Superboy (TV Series) (1 episode)
 1985 G.I. Joe (TV Series)
Show Show Miscellaneous Crew (1 credit)
Show Show Thanks (13 credits)
Show Show Self (30 credits)
Show Show Archive footage (1 credit)
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Personal Details

Other Works:

Graphic Novel: "Batman: Death of Innocents: the Horror of Landmines" (1996) See more »

Alternate Names:

Dennis O'Neil
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Did You Know?

Trivia:

Irish-American. See more »

Nickname:

Sergius O'Shaugnessy See more »

Star Sign:

Taurus

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