Shikigami or Shikijin were fierce gods employed by the Onmyoji (Master of Yin yang) to judge the evil doings and well doings of the populace, and they were also called Shiki no Kami, and in some literature, Shiki or Shiki Kijin.
式神・識神（しきがみ、しきじん）、式の神ともいい、文献によっては式鬼（しき）、式鬼神とも）とは、陰陽師が使役する鬼神のことで、人心から起こる悪行や善行を見定める役を務めるもの。