Tshuneji HARADA, who sparked the ancient history boom, took a bold approach, and repeating the inference, he came to conclude that Nigihayahi was equated with Omononushi, who was the chief enshrined deity of Okami-jinja Shrine, Kamowakeikazuchi no Okami, who was the chief enshrined deity of Kamigamo-jinja Shrine, Kotosakao no Mikoto, who was the enshrined deity of Kumanohongu-taisha Shrine, Yamato no Okunitama no Okami, who was the chief deity of Yamato-jinja Shrine, Furunomitama, who was the enshried deity of Isonokami-jingu Shrine, and Otoshi no Mikoto, who was the chief enshrined deity of Otoshi-jinja Shrine.
古代史ブームの火付け役と目される原田常治氏は、推論に推論を重ね、大胆に結論を断定する手法で、大神神社の主祭神である大物主、上賀茂神社の主祭神である加茂別雷大神、熊野本宮大社の祭神である事解之男尊、大和神社の主神である日本大国魂大神、石上神宮の祭神である布留御魂、大歳神社の主祭神である大歳神(大歳尊)と同一だとする。