It depends on which bat girl you are talking about. There have been numerous bat girls in comics. Here are all of their names; Betty Kane, Barbara Gordon, Helena Bertinelli, Cassandra Cain, Stephanie Brown.
This link will help explain more about bat girl
http://en.wikipedia.org/wiki/Bat_girl
Rouge the bat.
The real name of the English-Pakistani singer Bat for Lashes is Natasha Khan. She uses the pseudonym "Bat for Lashes" as both her name and her band's name.
Bat Mitzvah?
Bat Mitzvah
venimas
Her real name is Sunmi.
Draculin
yes, truan is a real boys name and a girls name.
from bat man poison ivys real name is pamela islily
His real name is Milo Ventimiglia.
master blaster srijeev says glorius stick as abhishek says it doesnt depend on the stick it depends on who holds it
her fake name is flo i dont know what her real name is
Beauty real name is Bahja Star Real name is Zonnique Babydoll real name is Breaunna