Fun, flirty, and mysterious, when the Siren beckons, men must head her call. This process takes lots of expertise, time, and patience. Sirens: Mermaids are a theme that comes to us from antiquity. Princesses: Interpret your version of royal allure and let your Queen, Princess, or Royal Consort come out to play. A top-quality costume is designed to replicate the character’s costume as closely as possible, movie character costumes just as it would be made for real.