Imari and Shigaraki

Mikihisa's spirits are Imari(a kitsune) and Shiragaki(a tanuki) which use stones as their mediums

About
Imari & Shiragaki are a pair of Kami-Yamas(mountains gods). They are high-level animal spirits of the mountains and the guardian ghosts of Mikihisa Asakura.

Trivia

 * It would seem that Imari & Shiragaki are what Ponchi and Conchi would be like if they would give up there large ego