A high school cheerleader and the film's protagonist. After her boyfriend Michael is attacked and his brain is harvested, she discovers the truth, searches for a replacement body for him, and temporarily keeps his brain connected to a computer system.
Dr. Wachenstein acts as the primary antagonist whose actions force the protagonists into survival mode.
Byron serves as a supportive confidant who validates Tammy's relationship with Michael.
Billy represents Tammy's traumatic past and actively threatens her current happiness.
Tammy and Michael are in a new romantic relationship that faces immediate external threats.
Explore the full interactive character relationship map of Tammy and the T-Rex