"For this one you will need to find two willing conformists." That would not be hard. Finding cats that look like they're wearing toupees, now that might be the tough part.
These are all the major ones. Do not attempt any of them unless you have professional experience with (a) sleeping and (b) being some kind of a cat. (h/t The Frogman , for sharing this image .)
Also on these boards
I don't know. I don't care. I like it.