Take a very popular Greek myth and.....
This is a perfect example of taking a Greek myth and borrowing the common names and stories, and mixing them with additional tales and completely new characters, all the while treating the confused jumble as though it is all a tale that has been passed down through millennia.
Why is it so important to change the story so much that the only thing that remains true is the main characters name "Hercules"? I guess those old myths need to be polished up with modern soap-opera.