Barbara Gordon is a librarian and computer expert from Gotham City. With a genius-level intellect and photographic memory, she is an expert at research and analysis.
Also known as Oracle, Barbara Gordon was formerly Batman's sidekick, Batgirl. Left paralyzed by a gunshot wound, she is now confined to a wheelchair. Forced to reinvent herself, and rely on her intellect, rather than her physical crime fighting skills, she has take up a new role in Gotham.
With her associate, Dinah Lance, also known as the Black Canary, Oracle is one half of the Birds of Prey, is a reserve member of the Justice League of America, and remains an integral part of Batman's research and support crew.
For more information about Barbara Gordon, see her biography at CanaryNoir.