Transmutation (object) – The ability to turn a person into an object such as a puppet, toy, painting, etc.
A man transfers his life essence into a doll in Adventures into the Unknown #94 (ACG).
In Art Ops #5 (Vertigo), the reader is introduced to a supervillain that can turn people into art.
In Child’s Play – The Series #1 (Innovation), Chucky lets us know how much fun it is to be transformed into a doll.
Harry Matthews (DC) has been transformed into a horse hair pillow (Who’s Who in the DC Universe #16)!
Abra Cadabra (DC) turned the Flash into a puppet in The Flash V1 #133.
Zatanna (DC) is turned into a puppet in Zatanna #11 (2011).
The Twilight Zone has at least two episodes that deal with this power.
In After Hours a mannequin is allowed to be human but must go back to being a mannequin.
In It’s a Good Life, a man is turned into a Jack in the Box!