Relaxaurus is a large saurian pal resembling a theropod dinosaur. Its body is rotund and blue with a cream underside. Relaxaurus always is seen displaying a vacant expression having simple dots as eyes and a toothless mouth ending with a short beak-like snout. Its arms and legs appear short and stubby while its neck and curled tail are long in comparison. The backside of Relaxaurus is full of darker blue pill-shaped markings running along from its neck to its tail.