Stegosaurus

The Stegosaurus was very slow

It had very large spikes on its back

It uses its spiky tail to attack predators

It had 78 small teeth

It was a herbivore

The Thagomizer is the name of the pattern of 4 spikes on the Stegosaurus' tail

The Stegosaurus had a very small brain

Because of its small brain, it has been nicknamed 'the dumbest dinosaur'

Despite being a herbivore, the Stegosaurus easily had the capacity/ability to kill other dinosaurs.