Diabolus rex

Diabolus rex, or D. rex, is a hybrid dinosaur, made from T. rex, Raptor, snake and cuttlefish DNA. It is the main dinosaur antagonist of the fourth Jurassic Park movie.

Portrayal
To be Added....

Novel
D. rex was never in any of the novels.

Jurassic World
In Jurassic World, Diabolus is one of the new dinosaurs in the new park on Isla Nublar. Oddy, it are not on the map, indicating it was not meant to be in the park.