Edaphosaurus is a Minor antagonist in the movie Dinosaur Watership 2. This villain was created by Hadrosaur838.
His plans are to kill all the dinosaurs so that the Synapsids would take back the Earth to rule.
Dinosaur Watership 2
On July 24 he was taken prisoner for eternity, and he had been pleading for freedom ever since.
Later, he gains the humans' trust and comes up with a plan to get rid of the dinosaurs by summoning a 6 mile wide asteroid to crash into the Earth and killing every single dinosaur on the planet (counting the Avians).