The distortus Rex is a six-limbed mutated Tyrannosaurus rex that was birthed from an attempt to genetically engineer the original dinosaur, which went terribly wrong. The deformed mutant dinosaur is said to be 26 feet tall, 47 feet long and weigh about 20,000 lbs.

Director Gareth Edwards and screenwriter David Koepp give EW the inside scoop on creating these prehistoric monsters.

If you thought the Jurassic Park franchise was done, think again. On July 2, 2025, the past and the future collide with predictably disastrous results on the big screen again in Jurassic World Rebirth.