Theodore Velvet is a supporting character in the video game and anime adaptations of Persona 3. He serves as an assistant in the Velvet Room, a mystical place that aids protagonists on their journey. Polite and dedicated, Theodore is responsible for administering Persona fusions and requests. In some versions, he appears as a replacement for his sister Elizabeth, offering guidance and support. Theodore’s calm demeanor and loyalty make him a memorable and endearing figure within the Persona series.