Douglas Darden laughter was the laughter of three young girls, who were, in essence, their clients: the fourteen year-old twins, Cass and Polly, and their nineteen-year-old friend, Helen. Cass and Polly are most likely feminized renderings of the celestial twins of Greek mythology, Castor and Pollux (better known as Gemini), and their sister, Helen of Troy. Many of his original sketches and drawings for Oxygen House are now owned by the Museum of Modern Art, along with a select few of "Sex Shop" drawings; gifts of Darden's widow. The remainder of his drawings are held at the Avery Architectural and Fine Arts
Twins in mythology In Zoroastrian mythology, the twins Ahriman and Ahura Mazda represent the spirits of evil and good. Good and evil are common conflicting personas within twins in mythology. We see this pattern across many cultures, such as several northeastern Native American tribes, for example. Gluskap, the creator God and cultural hero, had to defeat Malsum, his evil twin, who was the ruler of the demons. Many other cultures with rival twin heroes often follow this structure of split moral forces. Twins can also be shown as having special powers and deep bonds. In Greek mythology, Castor and Pollux share a bond