Umi Ryuuzaki, known as Marina in Latin America and Marina Santana in Spain, is one of the three protagonists of the Magic Knight Rayearth series (created by CLAMP) and represents the element of Water. Umi is a tall, pretty, and elegant girl with long blue hair, but she is a bit grumpy. In Latin America and Spain, she was renamed Marina and, together with her friends Hikaru (Lucy) and Fuu (Anaís), as well as the Mashin (Genie) Ceres, she will dedicate herself to defending the world of Zephyr.