Origin
Carlita Alvarez is a fighter from the Bronx who grew up as the oldest of four children. Her mom was a stay at home accountant and her father was a construction worker. She was good at math and able to use any weapon. It is unclear why she joined the Gang of Harleys, but it might have something with the fact the the leader, Harley Quinn shares a lot of her same views.
Carlita gets sea sick very easily.