The only magical cat you can get during Samhain. It's what you get when you cross a chamelion and a black cat. It has chromatophores in its fur which enable it to change to bright hues, including hot pink and day-glo green. Compare to horse of a different color.
In the Ozarks there's a electronics wizard that has a color cycling cat.
Deliah had a hard time finding her color cycling cat after she set down her hunting vest.