Changeling

Encylopedia Entry
Changelings are hybrid mamonos that first appeared in Fairy Kingdoms. The first Changeling was created by combining a shoggoth and a Doppleganger so they are considered subspecies of both. A Changelings true form is unknown do to their ability to turn into a sensual seductive version of any human or monster that they come across. A changeling memorizes any form that it takes

(More to come just wanted to get a start)