Checkers was an inmate back at Widmark state penitentiary during Ernest's time as a deathrow inmate there. When the nuke was dropped over the prison incinerating the surrounding area, she and 5 other inmates were reanimated by the power of Lady Hel and lead by fellow jailbird Homicide as a deterrent to an opposing group of monster teens called The Chosen. Having them on the ropes one of their number; who'ed later be revealed to be more than appearances let on, singlehandedly dispatched them back to the grave.
Last Ditch Bitch
Checkers and the other Dead Onez would later be revived and sent to collect the latest gem in the eye of their divine lady. From her dream limbo she resuscitated the toxic zombies and sent them after a descendant of Hel's guard dog by the name of Liv Halvorsen, she along with the others of corpse party ransacked her consent killing and slaughtering all of the rave goers attending. All while their lord herself possessed the rest of Liv's band in order to coax her into committing suicide.