Incubus

A person who identifies with or enjoys role playing as an incubus.

In mythology, incubus is a demon in male form. They are known for sexually assaulting and impregnating women during the night. They may also cause nightmares, night terrors, sleep paralysis, and the feeling that something heavy sits on the chest. Someone who identifies as an incubus may play with concepts or kinks related to this such as breeding play or consensual non consent..

Equivalent term for a female sex demon is Succubus.