Once in a while, but quite rarely these days, something totally bizarre pops up on eBay.
From the listing
This is the YOKO ONO MTV CELEBRITY DEATHMATCH stop-action claymation prop. It is made of a soft composite body, wired framed body, with hard head and face with a removable eyebrow that is also clay, her right eyebrow is missing, eyeballs attached. Bottom feet are metal framed to be used to hold in the ring and the body is completely movable along with the characters ponytail. Sold as is