A good boy and a not so good one
When you compare all domesticated animals, the obvious conclusion is that dogs are the most obedient. But that is not always the case. Although they seem to be the animals that better understand us, dogs sometimes play by their own rules.
Hugo does not have an issue with answering whenever his human calls him. But Huxley, on the other hand, is a rebel. He cannot be bothered no matter how often they tell him to stop whatever mischief he is up to.