The Vatuka was a legendary creature of stone.1, 2 It was believed to have been created using energized protodermis by the Energized Protodermis Entity, who once sent a similar stone creature against the Toa Metru.3, 1 No one was sure if it should have been considered a Rahi or something more sinister, just as no Matoran could say for certain whether such a creature even existed.2