Barbara Gordon (also known as "Batgirl", or formally as "Oracle") is a member of the Bat Family and the daughter of former GCPD Commissioner Jim Gordon. Barbara is highly trained in a variety of fighting styles, such as kickboxing, capoeira, and jiu-jitsu. Her signature weapon is the tonfa. Barbara also displays great skill when it comes to hacking or coding in computers and technological systems to dig for information.