Giant Octopus Character Dolphin Boy (2022)

An octopus that looks like a thief at the beginning of the story is turned into a giant creature by the black drug. He is now seeking revenge for old difficulties that have led to the expulsion of all aerobic creatures, including dolphins and the boy, as well as the taking of the throne from King Lucky. A large octopus that exudes black fluid can poison and conquest aquatic animals. But the story becomes more complicated when the octopus becomes addicted to the black drug, and the owner acquires the power of the octopus.
More details : https://www.imdb.com/title/tt18526902/?ref_=nm_knf_t_1