Razzle dazzle? Not really. He is merely a persistent git who enjoys playing the victim card a little too much.

[Is the angel pouting? Yes, he is definitively pouting. Not that the state of Dantalion doll would suggest any other interpretation for playing the victim card.]

He takes advantage of Master William's kind heart, that is all. A cheap trick. To appeal to a human's good nature in order to achieve absolute evil.