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
The Horse and His Boy his twin brother Corin with boxing, recalls the traditional associations of the Spartan twins Castor and Pollux of Greek mythology. Researcher Ruth North noted that the plot element of a sinful human being transformed into a donkey as a punishment and then restored to humanity as an act of Divine mercy is similar to that of "The Golden Ass" by Apuleius — a classic of Latin literature with which Lewis was certainly familiar. The Horse and His Boy The Horse and His Boy is a novel for children by C. S. Lewis, published by Geoffrey Bles in 1954. Of the