Hedwig

Оригінальне ім’я: ヘッドウイッグ

The sea witch who acts as the main antagonist of the show. She was once a sorceress who was in love with Anselm until her hunger for power forced Anselm to banish her to the sea. She comes up with plot after plot to capture Marina and Justin so she can exchange them for the Amulet of Power. (Wiki)