Hyga is one of the main characters in the series. Hyga appears calm, collected, and unemotional. Beneath the surface, however, he is passionate and devoted to his ideals. As a Saint born under the Cygnus constellation, Hyga is able to control and manipulate ice and snow as he pleases, as he mastered the basis of the technique of the Saints of ice, stopping the atoms of matter by the power of their Cosmo.