Kao

Kaos are rocks which have faces on them. They are seen in Ocean Palace in Sonic Heroes. When teams go to the area where theres a kao. The Kaos move and try to get the teams. but teams must run from a kao in order to escape. Kaos are enemies and they have been made by Dr. Eggman. Kaos are also seen in Sonic Generations in Seaside Hill in some areas.