Anton

Anton was the man who approached ex-GCPD Brian Douglas, and invited him to join the Batmen.

History
Anton, along with Brian Douglas and the rest of the Batmen, attempted to capture Scarecrow and The Chechen and their thugs.

Anton, along with the rest of the Batmen, as well as Scarecrow were all apprehended by Batman and left for pickup by the GCPD.

Behind the scenes

 * Anton is identified by name and more fully in The Dark Knight's novelization.