Cassandra Cain was first introduced in "No Man's Land" as a courier for Barbara Gordon. 1 / 8
Cassandra helped Batman fight off her father, David Cain, while she took down Two-Face. 2 / 8
Afterwards, Batman fired the Huntress as Batgirl, giving the role to Cassandra. 3 / 8
The new Batgirl joined the Bat-Family on several missions across "No Man's Land..." 4 / 8
Even going on a solo mission to defend a petrol station and its owner. 5 / 8
During "Bruce Wayne: Fugitive," Batgirl also figured out that Batman was framed... 6 / 8
By her father, David, who she convinced to turn himself in. 7 / 8
Since then, Cassandra has become Orphan, remaining a big part of the Bat-Family. 8 / 8