But based on canon, some of the known Hogwarts headmasters are worth remembering as more than just background portraits ... each was 'head' of their own house. Second, there was a statue of ...

and I’m not here to dispute the fact that I belong in any other Hogwarts house. I wear my yellow stripes with pride. But, when I starred in – or, fine, fleetingly appeared in the background of ...

Which of the Hogwarts houses is best of all, for example? Why didn’t the Ministry of Magic set up Polyjuice Potion-based restrictions along with all of their other intense other security measures?