Castor,He has blue eyes. He also wears a dress with a dark blue patch on it that has half of the Gemini constellations, and brown shorts. He has stated that his sister Pollux has picked this outfit. Pollux,she has yellow eyes Her hair also covers her right eye.Her dress as dark blue fading into light blue with brownish orange sleeves, and has half of the Gemini constellation on it, and a blue scarf matches the blue patch on her dress. They can fuse into Gemini and when they do they use they/them