It is Set in the Great Barrier Reef of Australia and New Zealand Flipper is a Fun and Adventurus Bottlenosed Dolphin Voice Cast Flipper the Male Bottlenose Dolphin and Tronulla the Aboriginal Boy Ultra the Female Pink Bottlenose Dolphin Sammy the Seal Dexter the Evil Giant Octopus Serge the Evil Bright Green Coral Snake, Yake the Evil Killer Whale, Blake the Evil Great White Shark and Hammer the Evil Hammerhead Shark