The first entry totally contradicts itself, and they all seem to be saying the same thing (except the third). I'd do something more like this:
I think Nintendo wanted Ninetales to look nice and docile more than it does a calculating creature.NINETALES is incredibly proud and devious, and will only obey a trainer it deems it worthy of raising it. It seems docile at first glance, but it can have a darker disposition on the inside.