He is generally well dressed at all times from head to toe. Daper, but not overstated. More of an intellectual businessman than vampire.
Wilhelm is a quiet subdued individual. A professor in former times, he can be a bit dry in conversation yet a good mind for working through situations. A good listening ear, always willing to hear your tales. An odd sense of humor, but he enjoys the laugh all the same. Sit with him, have a drink and get to know each other.
Spending quiet moments doing artwork, Wilhelm reflections on his world, his existence. He’s always happy to share. Some may be lucky enough to see his private collection. He keeps examples close to him and he may show you … hopefully you didn’t know them.