Will/William

Clockwatcher/watcher

Ghost Hunter/Ghost

Bloody hunter/Hunter

Broken Heart/Broken

The Drawler/Drawler

(Ammo doesn't have one)

Annabel/Bella

Book Writer/Writer

Bones The Dog/Bones

(Dally doesn't have one either)

The Seeker/Seeker

Kathryn/Kat

Candy/Cane

(Drawkill doesn't have a nickname)