A strange man, with an even stranger mode of speach, Gwen Kahn knows all about the XGP, and seems to have taken an interest in our intrepid heroes. It was Gwen Kahn who built the XGP and created Melfina, with the intent of finding the Galactic Leyline and discovering the secrets of the universe. That was his plan, anyway. When Gene and co. ditched him, he offerred his services to the MacDougall brothers, programming Harry with the ability to navigate the Leyline as well.

In the Leyline he did find what he was looking for, supreme knowledge, but once he had that, he no longer felt the need to continue living, and faded away, at last happy...