Batgirl Kai

A vigilante crimefighter, she has taken on the mantle of Batgirl in order to rid the town of villains. By day she lives in her secret identity as a mild mannered student named Kai. However, nobody knows that by night she fights crime as the superheroine Batgirl. She often teams up with Batman & Robin to take down The Joker and his crime syndicate, but is currently working solo. She needs to wheedle information from Joker's minions to find the mafia kingpin's base of operations.