the Hairless one reminds me of a movie "The Witches" where the witches turned into rats. =) as for if there popular in the pet trade I couldn't find anything on google other then they make great pets but awful mothers as they don't produce enough milk sometimes.

But while searching I found an interesting article, and of course it happened in my state, the state of Florida.

http://animalrights.change.org/blog/...strangling_rat