Frey, a prominent deity in mythology, is celebrated as the god who presides over the seasons of spring and summer. His attributes include wealth, abundance, and fertility, making him an essential figure in agricultural and seasonal rituals. Frey's connection to nature and prosperity highlights his importance in the lives of those who revered him.

In contrast, Frey’s twin sister, Freya, embodies love and beauty. Known for her striking looks, she has a unique association with cats, which adds to her enchanting persona. Together, Frey and Freya represent complementary aspects of life, enriching the mythological landscape in "The Sword of Summer" by Rick Riordan.