Name: Bat-Girl
Universe: Earth-1
Alter Ego: Betty Kane
Occupation: Tennis Pro
Marital Status: Single
Group Affiliation: Teen Titans
Known Relatives: Kathy Kane (aunt)
First Appearance: Batman #139

History:
Betty Kane, niece of Kathy Kane aka Batwoman, fought crime briefly at Bat-Girl before retiring to focus on her first love, tennis. Now a national tennis champ, she rarely dons her old costume.