Kōga Elder

The Kōga Elder (Chōrō in Japanese) is the oldest of the remaining Kōga shinobi dogs. He was originally a sworn enemy of the Ōu army, but he is currently their ally.

He survived the flames and went into hiding until Tesshin returned.

Manga
He had all of his fur burnt off by the fire of the Iga house when Kurojaki committed suicide. He has yellow eyes. His right eye is missing.

Anime
He is portrayed as a strong looking yet old dog, whose fur hasn't been burnt off which looks short and healthy looking like Tesshin's. He has a slashed right eye and it's unknown how he got it. It is possible that the elder is related to Tesshin by blood in the anime with their near alike appearances and their close bond which is like that of a grandfather and grandson or uncle and nephew.

Anime
He is friendly and caring. He seems to have a soft spot for pups with how he is attentive to Weed and the pups left behind for safety. He and Tesshin share a strong familial bond.