Douwe Bob Posthuma is a Half-blood wizard who worked as professor at Hogwarts School of Witchcraft and Wizardry. He is a former Gryffindor student at his time at Hogwarts. He is also a Dutch singe, producer, and model. He is also the owner of his dog Muil.
Career at Hogwarts
At some point after his graduation, Posthuma returned to Hogwarts to teach in 1991.
Personality and traits