She loves to chase the squirrels and throw her battered milk carton around. She would probably work well at night as she likes to chase the flashlight.
The older cats would be in a job that includes sitting at a desk. They aren't very energetic. Baby and Sparky would have to have something that required some action. They like their down time, but they are also very active. They might run a job that would require them to run errands.