Fan Casting Scylla (Voice) in Mythological Island

Is part of the children of Echidna and Typhoon who was in the rear area of ​​the Island, we don't saw her in the 1st film. Scylla mostly dwells on some of the rocks by the sea, being the one who capsized the pirate ship on the Island. Despite her peculiar appearance, she's not a monster at all, being very sensitive and not understanding why people outside her family scream in fear instead of responding to her when she shows up. Very comfortable at sea, the many long snake heads attached to her body can sink any ship.