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Hector is the secondary antagonist of the 20th Century Fox's 2018 animated film, The Little Dinosaur.

He is voiced by Chiwetel Ejiofor, who also played Baron Mordo in Doctor Strange, Luke in Children of Men, Victor Sweet in Four Brothers, and Scar in the 2019 film The Lion King.


Hector is quite like Big Boss. But he had happened to be a little more into redemption than Big Boss who mainly started all of this. He happens to be kind at first but he is on the other hand, a truly evil, corrupt, and malevolent monster. He wants to kill all the dinosaurs in order to survive by flying above the asteroid, but his cowardice leads to his downfall, when he and Big Boss meet their apparent deaths from being crushed by rocks.

Hector Cold-Blooded does not forget grudges he holds against others; it is explained that after he spots the main characters for the second time, he immediately recognizes them and makes a thunderous noise towards them in about of hatred. Even after they escape through the narrow pathway, he continues to claw and snap at them with rage.


Hector is first seen, catching a pterosaur to feed himself. He discovers Kopa alongside Anais' herd and is given the right moment to attack. Hector angrily charge at the herd, causing them to run in fear. There is mayhem as Hector separate the weak and young from the herd and prepare to kill them. Kopa, Anais, and the orphan boy named Stitch, escapes, but Cleveland fall into a raging river and is swept away.

Following a violent storm, Hector and Big Boss encounters Kopa, Stich, and Anais are found by the Pterosaur flock. At first, Hector pretended to be friendly to Kopa; recounting to him Big Boss' story. However, his true motives become apparent when Big Boss is the boss of Hector Cold-Blood, after eats a small fox whole that Anais helped to free. Big Boss and Hector then set their sights on Stitch. Kopa and Anais flee and are saved when two young Tyrannosaurus rex named Nash and Ramsey come to the rescue and scare the pterosaurs away.

Some time later, Kopa, Stich, and Anais are stuck in yet another storm. Big Boss and Hector find them again and they succeed in separating Stitch from Kopa this time. They trap Anais and Stitch into a old stump by a river and try to claw him out. With a newly-found courage, Kopa faces off the pterosaurs and easily defeats them by knocking them into the river. Kopa lets out a vicious roar, which terrifies Hector, causing him to regain his sense of fear. As Hector tries to run away as Big Boss tries to kill Kopa, Chomper pushes the rockslide, and as a result, Big Boss and Hector were crushed by rocks while falling off the gorge to their apparent deaths.