Jué yuán (玃猿) (in Chinese "Jué yuán", in Japanese "Kakuen") is a legendary animal in the legends of China. They are also called Jué (玃) (in Japanese "kaku"), Jué fù (玃父), Jiā (猳), Jiā guó (猳國) (in Japanese "kakoku" カ国 ), and mǎ huà (馬化) (in Japanese "baka"). They are similar to monkeys, and thus possess a characteristic of carrying away human females and violating them.
Rokurokubi (ろくろ首, 轆轤首) is a type of Japanese yōkai (apparition). They look almost completely like humans with one of two differences. There is a type whose neck stretches and another whose head detaches and flies around freely (nukekubi). The Rokurokubi appear in classical kaidan (spirit tales) and in yōkai works. It has been suggested, however, that the idea of rokurokubi may have been created for scaring people into staying in past midnight
