Marine Ushio is a supporting character from the anime and manga series 'Saint Seiya'. She is a Silver Saint who wears the Eagle Cloth and serves as the mentor to the protagonist, Seiya. Despite her strict demeanor, Marine is deeply caring and plays a crucial role in guiding Seiya on his journey to become a Saint. Her mysterious past and connection to Seiya add depth to her character, making her a significant figure in the series.