: The "kingpin" seahorse who acts as the primary antagonist within the aquarium.
: While guiding their grandchildren, Ella and Ricky, to the sea, Sammy and Ray are captured and taken to a spectacular underwater aquarium show. There, they meet a seahorse named Big D who controls the other captives and plans an escape. Simultaneously, Ella and Ricky embark on their own mission to rescue their grandfathers. Characters : : The "kingpin" seahorse who acts as the
: Much of the film resembles a "prison break" narrative as the characters fight against human exploitation. Ella and Ricky