I have always loved you

For the Narnians war is pretty much over. Word has spread that King Caspian will be returning along with the crew on the Dawn Treader. King Edmund and Queen Lucy will also be returning with Caspian along with their cousin Eustace, but when the ship stops for the night they are greeted but Aslan and two familiar faces. But who are they? And what are they doing in Narnia?