Nations as Hogwarts students and instructors. :> Their original labels are:

America: Gryffindor Quidditch Seeker
Canada: Hufflepuff “Angel”
Japan: Headmaster
Germany: Hufflepuff Prefect
Italy: Gryffindor Quidditch Captain
Netherlands: Care of Magical Creatures Professor
Belgium: Hufflepuff “Goddess” and Miss Hogwarts
Romano: Gryffindor Quidditch Beater
England: Potions Professor
France: Charms Professor
Prussia: Defense Against the Dark Arts Professor
Spain: Herbology Professor