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
Castor et Pollux to persuade Jupiter to restore his brother to life, he knows he will lose the chance to marry her. But he finally yields to her pleas. Jupiter descends from above and Pollux begs him to bring Castor back to life. Jupiter replies he is powerless to alter the laws of fate. The only way to save Castor is for Pollux to take his place among the dead. Pollux, despairing that he will never win Telaira, decides to go to the Underworld. Jupiter tries to dissuade him with a ballet of the Celestial Pleasures led by Hebe, goddess of youth, but