Gaito

Personality/ Appearance
He is always depicted drinking wine, and wearing black. His resemblance to Kaito made the latter a subject of initial ire by Rina.

[edit] History
His brother was tossed on the shores to live a good lifeas an infant, while he was forced to live a life of solitude. He wanted revenge on the mermaids for sealing his family away for tens of thousands of years while releasing Kaito. He also wanted to collect the powers of the seas for his beloved Sara. This leads Gaito to capture the mermaid princesses, to take their pearls and awaken Aqua Regina, the sea goddess.