Mathias' new hairstyle suggests his surname. An imagined blade on the head as a shape on the left side of the hair. Razus' design is comparatively more robust with a thicker neck and shorter hair. Just by the shapes, you can glean the differences between these two characters, even if they were just silhouettes.The collar colors say something too. Each wears the collar color symbolizing the other, showing they oppose each other, and yet carry a piece of the other with them.