Let the Fur Fly Author:Laura Dower The Powerpuff Girls may get a new member -- and he's not even human! When a squirrel in the Girls' backyard gets an accidental dose of Chemical X, he becomes their new best friend/pet/mascot/partner-in-crimestopping. The Girls are just crazy about the new member of their team... but will he miss his old nut-gathering ways too much to stick around?