In our house Zip is the pillow much like Maggie. When we hear the very distinctive Zip grumble we know it's because Riley is trying to lay practically on top of her. Poor thing, Riley is a stout boy and has 8 lbs on her. That can't be comfortable.
i think she has given up on growling at mia. seems like everytime i go in there (and they are actually laying down haha) mia and her are curled up together. :p Mia's only a little over a year old and is so much bigger than the other two. i kinda feel bad for mag.