Rokurokubi is a type of Japanese yōkai (apparition). They look almost completely like humans with some differences. There is a type whose neck stretches and another whose head detaches and flies around freely (nukekubi). The Rokurokubi appear in classical kaidan and in yōkai works.

The Krasue is a nocturnal female spirit of Southeast Asian folklore. It manifests as the floating, disembodied head of a woman, usually young and beautiful, with her internal organs still attached and trailing down from the neck.