Batgirl (Batman: The Animated Series)

Batgirl, real name Barbara Gordon, was the daughter of Commissioner James Gordon. Later in life, she became Commissioner of the Gotham Police Department herself.

Pre-Costume
When the renegade artificial intelligence HARDAC attempted to replace the most influential members of Gotham (including James Gordon), Barbara was one of the few who initially felt something was wrong. Using a few skills she picked up from her father, Barbara managed to help Batman save everyone.