Lucy was a small dog that Rachel Lindt had rescued and placed under her care. With the losses Rachel suffered using her dogs against Leviathen she had to bring Lucy into rotation.
She was first introduced as one of the pups in Rachel's territory that were being trained. While looking for other candidates for the Nine the undersiders met with Panacea and were ambushed. Lucy was murdered by Mannequin taking a shotgun blast to the head. Her rescuers power was unable to save her.