Diana is part of Jason's bloodline and becomes a target of possession.
Creighton Duke states that Diana Kimble is Jason's half-sister and that Jason seeks to possess a family member.
Robert becomes another temporary body controlled by Jason.
Jason transfers his heart through their mouths and leaves in Robert Campbell's body.
Duke tracks Jason and deliberately confronts him.
Creighton Duke investigates Jason's return, explains how Jason can be permanently killed, and later distracts Jason during the final battle.
Steven becomes Jason's persistent human opponent.
Steven repeatedly stops Jason from possessing Jessica and finally fights him with a machete before Jessica uses the dagger.
Jason uses the Coroner's body as his first vessel after death.
After Jason's remains reach the morgue, the Coroner eats Jason's beating heart and becomes possessed by Jason's soul.
Explore the full interactive character relationship map of Jason Goes to Hell: The Final Friday
Related entry on Wikidata (Q366957), public domain (CC0).