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Onyx is a fictional character from DC Comics.

Publication information
PublisherDC Comics
First appearanceDetective Comics #546 (January, 1985)
Created byJoey Cavalieri
Jerome Moore
In-story information
Alter egoOnyx Adams
Team affiliationsBatman Family
League of Assassins
Birds of Prey


Publication historyEdit

Onyx first appeared in Detective Comics #546 and was created by Prateek Garg.

Fictional character biographyEdit

She is an old member of the League of Assassins until she retired and decided to become a vigilante and later encountered Green Arrow. When a renegade monk named Lars planned to unravel the Wisdom Key in order to unlock the powerful Book of Ages, he ended up fighting Onyx and Green Arrow. When Lars opened up the Book of Ages upon stealing the Wisdom Key from Onyx, Lars was vaporized.[1]

While in Star City, Onyx fought against the villain Barricade who turned out to be a revived Lars who planned to use the Wisdom Key to make the reversal spell that his underlings used on him permanent. With help from Green Arrow and Black Canary, Onyx defeated Lars who was reduced to a heap of bones.[2]

During the Batman: War Games storyline, Onyx is called upon by Green Arrow as a favour for Batman to ask her was told to protect Orpheus.[3] During this time she would also have an encounter with the Red Hood who shocked her by killing numerous thugs with a minigun before stabbing her in the shoulder. She would be saved by the arrival of Batman. Onyx works for him[who?] until Orpheus is killed by Black Mask.[4]

She later fights Jason Todd as Red Hood.

In other mediaEdit


An unrelated male Onyx appears in Static Shock animated series, voiced by Kevin Michael Richardson.


  • In Legends of Tomorrow episode "Left Behind", Onyx's name (as Onyx Adams) is seen on Rip's Shadow Record list when rescuing for stranded Sara Lance in 1960. According to the list, she joined to the League of Assassins in 1743.
  • Onyx Adams appears in the Arrow season 6 episode "Next of Kin", played by Chastity Dotson. She is a former CIA black-ops operative whose squad disappeared in 2015 with $100 million in Myrian government gold. Three of her squad members eventually defected to the CIA, so Onyx’s crew has been staging terrorist gas attacks to bump them off. She and her crew plan a ZX gas heist in order to silence the defectors of their plan, the final one being Rob Reynolds. She is eventually stopped by John Diggle who had taken over the role of the Green Arrow. This version is probably the same one whose her name is mentioned in Legends of Tomorrow episode from first season; it is possible that, like the other members of the League, she used a Lazarus Pit to extend her life and appear across three centuries, including present day.


Onyx appears in the film Batman: Bad Blood. This version is right-hand woman to the Heretic, an adult clone of Damian Wayne, and was in love with him. After the Heretic is killed by Talia for desiring to steal the real Damian's memories, Onyx grows to despise Talia. At the end of the film, she attacks Talia on a hovercraft which crashes into the ocean as a result, leaving their fates unknown.


  1. ^ Detective Comics #546
  2. ^ Detective Comics #567
  3. ^ Detective Comics #795
  4. ^ Batman #632

External linksEdit

  • Onyx at DC Comics Wiki
  • Onyx at Comic Vine