List of DC Comics characters: O
Angel O'Day
Chief O'Hara
Chief Miles Clancy O'Hara is a member of the Gotham City Police Department in the DC Universe based on the character of the same name from the television series Batman, portrayed by Stafford Repp.The character, as adapted by Edmond Hamilton and Curt Swan, first appeared in the DC Universe in World's Finest Comics #159.
Within the context of the stories, Chief O'Hara is the chief of police during the early days of Batman's career. O'Hara was the first victim of the Hangman serial killer.
Alternate versions of Chief O'Hara
- Chief O'Hara appears in Tiny Titans.
- Chief O'Hara appears in Batman: The Brave and the Bold #17.
Chief O'Hara in other media
- Chief O'Hara appears in Batman with Robin the Boy Wonder, voiced by Casey Kasem.
- Chief O'Hara appears in Batman: Return of the Caped Crusaders and Batman vs. Two-Face, voiced by Thomas Lennon.
- Chief O'Hara's daughter, Chief O'Hara II, appears in The Lego Batman Movie, voiced by Lauren White.
- Chief O'Hara II appears in Batman '66.
Mikron O'Jeneus
Abigail O'Shay
O-Sensei
O-Sensei is a fictional character in the DC Comics Universe. He first appeared in Dragon's Fists, a novel by Dennis O'Neil and Jim Berry, later being incorporated into the comics beginning with Richard Dragon, Kung Fu Fighter #1.O-Sensei was originally a Japanese army captain in the 1890s who left after one of his soldiers killed a Chinese prisoner. In memory of him, the captain began training in martial arts and ancient disciplines, coming to train Bronze Tiger and Richard Dragon in the present day. Eventually, O-Sensei seeks the aid of Lady Shiva, Batman, Green Arrow, and the Question in returning to Japan to fulfill a vow to his late wife, only to be killed by a typhoon.
O-Sensei in other media
O-Sensei appears in Batman: Soul of the Dragon, voiced by James Hong. This version is the caretaker of Nanda Parbat who, prior to the film's events, previously trained Lady Shiva, Batman, Jade, and Rip Jagger in addition to Bronze Tiger and Richard Dragon and sacrificed himself to close the gateway to Nāga's dimension. In the present, Nāga possesses O-Sensei's corpse before Richard banishes him using the Soul Breaker sword.John Oakes
Richard Occult
Ocean Master
Victoria October
Ignatius Ogilvy
Ogre
Ogre is a DC Comics character who appeared in Batman #535, created by Doug Moench and Kelley Jones.Ogre is a genetically altered man, whose brother is a genetically experimented ape created by Doctor Winston Belmont. The man, Michael Adams, was increased in strength and the Ape in intelligence. The project created by Belmont was Project Mirakle, a top secret government project at Atsugi, where there were tested spy planes, as well as experiments on humans in the late 1950s. These experiments were made to create the perfect human agent but when funding was excavated so were the subjects. Michael Adams, as 23rd human experiment, managed to escape after 22 previous deaths. The Ogre tracked and murdered the scientists who collaborated with the project, only to be tracked by Batman himself. In the end, the Ape died and the Ogre wandered the city alone in a story analogous to Mary Shelley's Frankenstein.
Ogre in other media
A character based on Ogre appears in Gotham, portrayed by Milo Ventimiglia. This version is Jason Skolimski, the son of Jacob Skolimski, a butler who worked for the affluent Constance van Groot; and an unnamed mother who left the family, leaving Jason to believe that Van Groot is his mother. After Van Groot rejected him, Jason killed her in anger, stole her money, and underwent plastic surgery with help from a nurse named Julie Kimble, who he later killed. Over the next decade, he adopted the alias of "Jason Lennon" and became a serial killer targeting young and attractive successful women, kidnapping and keeping them for weeks or months and later murdering and dumping them in various places of Gotham, leaving behind a hand-made drawing of a broken heart. Due to their loved ones being threatened, the Gotham City Police Department allow Jason to continue unimpeded, giving him the nicknames the "Ogre" and the "Don Juan Killer". Throughout the episodes "Beasts of Prey", "Under the Knife" and "The Anvil or the Hammer", Jim Gordon and Harvey Bullock attempt to stop Jason, who kidnaps Barbara Kean and forces her to commit a murder. Though Gordon and Bullock kill Jason and save Barbara, she is left psychologically shaken.Jenni Ognats
Hiro Okamura
Tora Olafsdotter
Ingria Olav
Janie Olsen
Janie Olsen is a fictional character appearing in American comic books published by DC Comics. She first appeared in Superman's Pal, Jimmy Olsen #5 as part of the "DC Universe" initiative and was created by Matt Fraction and Steve Lieber.Janie Olsen is a playwright who is the sister of Jimmy Olsen.
Janie Olsen in other media
A character based on Janie Olsen named Janet Olsen appears in Superman & Lois, portrayed by Yoshi Bancroft. She is depicted as Jimmy Olsen's sister who worked as a reporter at the Daily Planet during her early days before becoming a camera operator for GBS and a senior correspondent for the Daily Planet. Additionally, Bancroft also portrays Janet's Inverse World counterpart.Jimmy Olsen
Ol-Vir
OMAC
Buddy Blank
Present-day cyborgs
Michael Costner
One Man Meltdown
Onomatopoeia
Onyx
Onyx is a fictional character appearing in American comic books published by DC Comics. She appeared in Detective Comics #546, created by Joey Cavalieri and Jerome K. Moore.A former member of the League of Assassins, Onyx forsook the group and joined the same monastery that Green Arrow once belonged to. When the order's master was killed, Onyx sought Green Arrow to take down his killer.
During the Batman: War Games story arc, Onyx joins the Hill Gang led by Orpheus. She later assumes leadership of the group after Orpheus is killed by Black Mask.
In The New 52 continuity reboot, Onyx appears as a member of the Outsiders.
Onyx in other media
- Onyx Adams appears in the Arrow episode "Next of Kin", portrayed by Chastity Dotson. This version is a former member of the League of Assassins from 1743 who used a Lazarus Pit to survive into the present and become a black ops agent in Syria before several members of her team betrayed her. She forms a new team to kill the defectors, but is defeated by John Diggle and his allies and arrested by the police.
- Onyx makes a non-speaking appearance in Batman: Bad Blood. This version is a member of Leviathan who expresses romantic feelings for her superior Heretic despite being frustrated by his lack of emotions. In hopes of fixing this, she and Heretic kidnap Damian Wayne in an attempt to absorb his memories, only for Talia al Ghul to kill Heretic. Onyx subsequently seeks revenge on Talia, attacking her on a hovercraft and causing the vessel to crash and explode.
- A teenage Onyx Adams appears in Young Justice, voiced by Logan Browning. This version was raised by her maternal grandfather Amazing-Man, but ran away from home due to her fear of not being able to live up to his moral standards and was recruited by Sensei to join the League of Shadows. In the present, Onyx comes to regret running away and is manipulated by the League into defecting from them and cause confusion for the Team. After joining forces with Artemis Crock and Cheshire to rescue Orphan, Onyx stays on Infinity Island for rehabilitation.
Oracle
Orca
Adam Orion
Otto Orion
Pytor Orloff
Dr. Pytor Orloff is a fictional character appearing in American comic books published by DC Comics. The character, created by Mike Baron and Jackson Guice, first appeared in The Flash vol. 2 #7. He is a scientist behind the Blue Trinity speedsters, as well as Speed Demon's recovery.Pytor Orloff in other media
The character appears in The Flash episode "The Curious Case of Bartholomew Allen", portrayed by Jeff Meadows.Orpheus
Elias Orr
Elias Orr is a fictional character appearing in American comic books published by DC Comics. He was created by Brian Azzarello and Jim Lee during the arc of Superman: For Tomorrow.Introduced in Lex Luthor: Man of Steel, Orr under Lex Luthor's employ assigned Toyman to stage an attack on Luthor's Hope, a genetically engineered superhuman. Revealed in For Tomorrow, he is a black-ops specialist working in the field of cybernetics labeled Project M helped to create Equus to battle Superman, as well as transforming Ron Evers, a friend of Vic Stone/Cyborg into a weapon. While confronting the Teen Titans, Orr encountered Cyborg and a villainous futuristic version of him called Cyborg 2.0. They created a "Cyborg Revenge Squad" consisting of Shrapnel, Gizmo, Magenta, Girder, Thinker, and Cyborgirl. Orr and his Cyborg Revenge Squad were defeated and his Project destroyed.