The Kirosaurus is a creature that lives on planet Viyon.
The Kirosaurus lives on the world of Viyon. During the day, the Kirosaurus is peaceful, but come nightfall, the Kirosaurus is a stealthy predator. Kirosaurus' have a tough hide to protect them from danger.
- The Kirosaurus was made before Spore was released, in the Creature Creator.
- The picture of the Kirosaurus on a planet was actually made in the Adventure Creator.