Monty and Mitzi have always liked different toys. Monty likes all sorts of toys although his favourites are bells and anything that makes a noise. Mitzi has never been all that bothered about toys although she does love chewing up paper and card and anything she can destroy.
I recently found one they both like. It is four stainless steel pans on a chain. Monty tends to go above it and shake it from the top whereas Mitzi goes below and beaks at the pans.
That looks loud. I have been wedging paper towels around Manzi's food dish, because even though he can't pull it out, he somehow bangs it around a lot when he wants more treats making a ton of noise and irritating the heck out of me! He knows it gets me too.