Fantastic monster with the head of a bull and the body of a person who lives according to the myth, on the island of Crete . It symbolizes the tyranny and , in psychology - hidden destructiveness and repressed desires . In Greek myths Pasiphae , the wife of King Minos , gave birth to the Minotaur from communication with the white bull that was revenge god of the seas Poseidon ( Neptune in Roman mythology ) forMinos did not bring this bull as a sacrifice to him . Minos put the Minotaur in the labyrinth and regularly fed him the young Athenians , who were sent as tribute , while the Athenian hero Theseus killed the prince monster . Bull's head on a human body symbolizes the complete dominance of animal instincts .