A seductress Grant meets in Las Vegas. Her jealous ex-boyfriend Joey attempts to kill her, claiming she is a succubus, though this revelation is later exposed as a hallucination.
Marissa functions as a co-protagonist whose actions and identity drive the plot.
Marissa and Joey share a past romantic relationship that ended poorly.
Grant and Marissa are romantic partners involved in a brief but intense affair.
Explore the full interactive character relationship map of Zyzzyx Road