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
Simonides of Ceos Simonides embellished his ode with so many references to the twins Castor and Pollux (heroic archetypes of the boxer) that Scopas told him to collect half the commissioned fee from them—he would only pay the other half. Simonides however ended up getting much more from the mythical twins than just a fee: he owed them his very life (see Miraculous escapes). According to this story he was called out of the feast hall to see two visitors who had arrived and were asking for him – presumably Castor and Pollux. As soon as he left the hall, it collapsed, killing