Chikamatsu Monzaemon
Two characters with totally identical appearances dance together, and one reveals his true ghost nature: this style, which originated in a nō play "Futari Shizuka" (the two Shizuka), has become in vogue with many plays as "Futago-sumidagawa" from "Chikamatsu Monzaemon". The most famous plays are "Futaomote" (last act of the kabuki play "Hōkaibō") and "Futaomote-dōjōji". In these plays, the main character is a ghost with two spirits inside, that is, double possession. The souls of two lovers who have killed each other can come together in an evil vengeful half-man, half-woman spirit.