Twins in mythology upon. However, other cultures attribute the outcome of twins to superior virility of the father. In various mythologies, twins often represent the dualistic nature of the universe. In Greek mythology, twins Apollo and Artemis, are the sun god and moon goddess, respectively. Similar forms of higher beings are reflected throughout different mythologies, as twin brothers Kuat and Iae represent the sun and moon in the Xingu mythology of Brazil. Egyptian God, Geb, and his twin sister, Nut, represented the binary nature of the world, with Geb being the God of the Earth, and Nut being the Goddess of the sky.
Greek mythology in popular culture stories, Percy's ADHD characteristics are explained as being caused by his Olympian blood, thus Riordan was "us[ing] Greek mythology as it has always been used: to explain something that is difficult to understand." In the opera within Girl Genius, the Heterodyne daughter who falls in love with the Storm King is Euphrosynia. The Amazon queen Hippolyta was used as the mother of Wonder Woman in the DC comic book line, At Niagara Falls, the Bridal Veil Falls had previously been called Iris Falls, and Goat Island had previously been called Iris Island as namesakes of the Greek goddess of the