Also, here's a short summary of the character by me, and his Wikipedia entry for more info.
Weapon, Part I: The Devil
Chapter 1: One foot in front of the other
Chapter 2: I forget which came first; the bad idea or me befallen by it
Chapter 3: If God gave you a voice, then use it
Chapter 4: And the gun it lies next to me, whispering, whispering
Chapter 5: Ain’t it so weird how it makes you a weapon?
Chapter 6: It's amazing what velocity can do when human beings are in season
Chapter titles are from Matthew Good and Matthew Good Band songs.