How about a Frankenstein-like character joining the circus? A contortionist like Ragdoll & Voldo but female.
http://static.comicvine.com/uploads/original/3/31666/1886265-ragdoll_larry_3.jpg
A dead “doll” made by Ultratech’s scientist who escapes to join the circus. But she’s a female “doll” made of various human parts.