Batman and Robin Vol. 1: Born to KillPeter J. Tomasi, Patrick GleasonBatman Graphic Novel Collection (Patrick Gleason), book 3

Characters in Batman and Robin Vol. 1: Born to Kill

2 characters, main characters first.

Supporting characters

Damian Wayne
Also in Batman and Son, Batman, Batman and Robin Vol. 3, Batman Incorporated, Volume 1: Demon Star, Batman: R.I.P., Batman: The Night of the Owls, Batman, Volume 1: The Court of Owls, Bruce Wayne: The Road Home, Gates of Gotham
Bruce Wayne
Also in Batman and Son, Gotham underground, Living Hell, The Batman in Nine Lives, Batman, Arkham Asylum, Batman, Batman, Batman, Batman