The Iudex, or Chief Justice, of Fontaine as well as the head of the Marechaussee Phantom detective agency. Neuvillette has white skin, dark blue shaded and slit eyes, as well as white hair at waist length. He also has what appears to be two bright, blue horn-like accessories at shoulder length. He wears a formal blue suit with varying accents of blue ranging from light to dark colors. His character design calls to mind the appearance of the Primordial Bathysmal Vishap, suggesting a connection.