A researcher of specters, Katsumi TADA, said that it was a specter similar to zashiki warashi (a child ghost which is supposed to bring good fortune to the house or building it appears in) which is famous as a specter in the Tohoku region.
妖怪研究家・多田克己はこれを、東北地方の妖怪として知られる座敷童子に類するものとしている。