the book it is hinted that Dave is not quite human; he was in fact killed and replaced with an identical doppelgänger with the same set of memories during the events of John Dies at the End, of which only he, John and Amy are aware. Since the events of This Book Is Full of Spiders David had lost his job in a video rental store and has no steady source of income, living with his girlfriend Amy in an apartment over a sex shop. His living quarters contain a large number of "weird" items that his online fans keep sending him: either objects with clear supernatural properties or mundane items that have originated in an alternate timeline. David's self-destructing tendencies are troubling Amy, and at the end of the book, she and John convince him to pull his life together. Amy Sullivan: David's girlfriend whose narration is in third person and lacks the profanity of Dave and John's perspective. Amy is missing her left hand that was lost in a car accident and is working in a call center for a home security company, which makes her a suspect in the disappearances that seemed to involve disabling of intruder alarms. Unlike Dave and John, Amy never had any contact with the Soy Sauce and continues to view the monstrous larvae as human children even after the truth is explained to her, insisting on saving them even in the direst of circumstances. As part of the mind games played by the creatures, Amy is visited by a perfect version of David, who admits to all of his faults in their relationship and sets on improving them, only to reveal himself to be not real and tell Amy that she deserves better. This encounter and the following experiences cause Amy to reach out to David, urging him to take control of his life. John: Based on the author's friend John Cheese, John is a long-time close and currently only friend of David. John's third-person narration is extremely unreliable and features him performing feats of incredible badassery and displaying amazing sexual prowess which Dave and Amy have learned to filter out by now. Despite him being in late twenties, John's behaviour is incredibly juvenile and includes thrill-seeking in the face of a supernatural threat, calling David in early morning hours with trivial "emergencies" and casual frivolity that results in him being charged