Although there are only eighteen demons , there is a variety of sanni masks that differ from place to place . However , the eighteen most commons masks ( and names of the demons ) are as follows : The Sanni Yakuma is still performed today , particularly along the south coast , though more often as a cultural spectacle than an exorcism ritual . However , it is not widely performed because of the high costs involved and also because of its long duration . The 2004 Indian Ocean earthquake and tsunami also has affected its survival . Though the coastal regions came under colonial influences as well as prior foreign influences , the art was best preserved in the south-west coast
2004 Indian Ocean earthquake and tsunami
2004 Indian Ocean earthquake and tsunami
Sanni Yakuma