Sandra Woosan was Helena Kyle's best friend at high school before leaving town. Years later she returned to New Gotham and committed a series of murders. The Birds of Prey discover that a thieving assassin known as Lady Shiva was the culprit and Oracle became determined to track her down and bring her to justice. (Birds of Prey episode: "Lady Shiva")
Sandra was presumably born in New Gotham and at some point became an big sister to an unnamed girl who was killed when Sandra as Lady Shiva was engaging in an fight with Batgirl. Following that Sandra moved out of the city and lost touch with friends like Helena Kyle due to being overwhelmed with her grief.
Back to Gotham
Although she was still grieving Sandra kept blaming Batgirl got her sister's death and returned to New Gotham to exact revenge on her when Sandra declared herself clear head enough to do so an couple years later.
- Peak of human physical condition: As a thief, Sandra is in top physical condition.
- Acrobatics: When fighting against Batgirl, Sandra has proven to have some acrobatic skills to evade some of Bargirl's tech.
- Master hand-to-hand combatant/Martial artist: Sandra is a highly skilled hand-to-hand combatant and martial artist.
- Expert markswoman: Sandra is highly skilled in throwing her Chinese throwing stars. She often left them in the heads of her victims.
- Expert thief: As a thief, Sandra comes up with elaborate ideas on how to steal items.
- Protective suit: Sandra wore a purple uniform as her alter-ego, Lady Shiva.
- Shurikens: Sandra carried Shurikens on her suit. These appeared to be Sandra's preferred method of killing his victims, as he showed deadly proficiency when utilizing them