Alexandra Kosov was a henchwoman who work for Black Mask and an enemy of Batman. She was an expert assassin hired by Black Mask in the War Games Story Arc to kill Batman. Her father was a powerful mobster until he was killed in gang war. The gang war eventually led to Alexandra becoming a crime lord of Odessa Mob. Alexandra was skilled in gunfire and has only one bionic eye.
In a later arc, she orchestrated a massacre with Black Mask and fell in line with the fellow crime lord.