Who is T-Rex? Featured in all films of the franchise, both in the original trilogy from 1993 to 2001 and in the Jurassic World sequel trilogy from 2015 to 2022, as well as in the spin-offs like the animated series Jurassic World: Camp Cretaceous, games, and other media, there is no dinosaur more iconic than the Tyrannosaurus Rex, or simply T-Rex. Famous not only for terrorizing visitors but also for inadvertently saving the main human protagonists from other dangerous creatures, playing the role of an anti-hero in the movies.