Talon is a name used by several different characters in Batman mythology. Talon the Falcon is a hunting animal that belongs to Bird, one of Bane's accomplices. Owlman of the Crime Society also has a sidekick named Talon who acts as an evil counterpart to Robin. The Court of Owls have a legion of highly-trained assassins called Talons to control their interests. One of those Talons, Calvin Rose, escaped the Court, and now uses the mantle to strike back at them.
Court of Owls