Answer:

batgirl

Answer	Crossword Clue
BATGIRL	Barbara Gordon's alter ego
BATGIRL	Librarian Barbara Gordon's alter ego
BATGIRL	Alter ego of Barbara Gordon, in DC Comics

BATGIRL	Silverstone role
BATGIRL	Barbara Gordon's other identity
BATGIRL	Diamond handler?
BATGIRL	Barbara Gordon's secret identity, in comics
BATGIRL	Enemy of the Joker