These are Obon and Reyah. Obon is the dark wolf, his name means dark, Reyah is the light one, her name means Light. (How obvious am I?) They both have weird markings on their heads because they arewolfs of the wolftribe. Worshipped by humans, they are symbols of the god of death. They are very well loved in the tribe. I just realised I have this annoying tic that I have to write a weird one-liner next to all my pictures.