Although the relation with Goshiki Fudo is unknown, there are some Fudo-son with the same name outside Tokyo, such as the one in Gansho-ji Temple (Fushimi-do, Tondabayashi City, Osaka Prefecture).
また五色不動との関連は不明だが、願昭寺（大阪府富田林市伏見堂）のように、東京以外にも同名の不動尊が存在する。