The Statue of Kongo Rikishi bears the inscription that he was a 'Master of Busshi in Nanpo school, Higo Hokkyo (the third highest rank for Buddhist priests),' showing that he was a Busshi from Nara (Nanpo).
石龕寺金剛力士像の銘に「大仏師南方派肥後法橋」とあることから、奈良（南方）の仏師であることがわかる。