One of the essential themes of the Tempest is the duality between nature and society. This is made evident through the character of Caliban: the disfigured fish-like creature that inhabits the island at which the play takes place. Caliban lacks civilized influence due to the fact that he was born on the island deprived of any social or spiritual morality other than nature and instinct. He is literally man untamed. Caliban is not monstrous simply for the sake of being frightening, his ghastly visage is intended to literally depict the duality between civilization and natural instinct. Caliban is literally man untamed. Part fish, part man, but not really either becau