Who is Phaedrus to the narrator?

   In the book the narrator constantly refers to a ghost called Phaedrus. He tells the story about when Phaedrus had seen a dog in the woods and when he looked into the dogs eyes he realized he saw a reflection of himself. The narrator talks about how Phaedrus wanted to destroy the ghost of rationality and free himself from "the bondage of his own identity."
  
   Phaedrus represents the author's old self because the author to had escaped his past self and identity. He tells the reader of the time years ago when he had waken up in a hospital, confused as to what was going on when a nurse tells him, "you have a new personality now." The narrator used to be Phaedrus, but as Phaedrus wanted he had escaped his identity. In a way Phaedrus, his old self, is dead because the narrator doesn't have much memory of him. Phaedrus is also alive in a way because  always be a part of narrator, who he used to be and the memories he does have, so the narrator will never be able to forget Phaedrus.