The hero Perseus has many similarities and differences between the two mediums of the written myth and the movie The Clash of the Titans. The conception of Perseus has differences between the book and the movie. First of all,
Perseus’ mother, Danaë, is related to Acrisius. In the book, she is the king’s daughter, but the movie changes her to be his wife. Her relation to him is changed in order to keep the conception socially acceptable. If she was still kept as his daughter the conception would be quite close to being incestuous because of the form Zeus takes