Draco Malfoy

... Grisella Marchbanks, or whatever her name is, the chief examiner, would make an excellent adversary. Especially if Draco and Hermione are going to try to reform fast. ("No, you can't write your own textbooks and mandate them - it's a conflict of interest." "The Muggle Studies curriculum definitely needs reforming. I've just never been able to get the Ministry interested." "Excellent lesson plans. Just add this bit.")