Seven of the worst fictional kids to babysit

At The Barnes & Noble Book Blog Sara Jonsson tagged seven of the worst fictional kids to babysit, including:
Eloise (Eloise, by Kay Thompson)

You need a very healthy imagination to keep up with Eloise. You also need to know the ins and outs of the Plaza Hotel, or she will run you ragged. Not only is she more self-possessed and worldly than you in many ways, she also does not care for one second