The protagonist of Glaucos. He was born into the ocean brought to the earth by two dolphins. The dolphins entrusted him as an infant to a villager of some tropical islands. That villager becomes his father. Because of his innate diving abilities Cisse is associated with a local legend on that tropical island legend that makes him out to be the quotprince of the oceanquot able to travel freely between water and land. One day be it fate or coincidence he is discovered by an ex recordholding diver named Claude and who seeing his potential takes it upon himself to train him and make him the best in the world.