#T-Rex (Roberta, Rexy/Rexie)

Rexy, also known as Roberta, is a female Tyrannosaurus rex and a central character throughout the *Jurassic Park* and *Jurassic World* franchises. She first appeared in Michael Crichton's 1990 novel *Jurassic Park* and made her cinematic debut in Steven Spielberg's 1993 film adaptation. As the apex predator of Isla Nublar, she is known for her immense size and powerful presence, often playing a pivotal, albeit unintentional, role in the survival of human characters.