Principal Howard

Keith Howard is the principal.
You don't know him? Well, please read the first chapter!

Just a joke of course... he really doesn't seem like a bad man. Well put together in his very late 40s, a stern look to scare the younger students and a cheesy quip for his colleagues make him likeable even...
At least for those who don't cross him or are annoying in some other way.
And there also is that thing he has for his female teachers, especially Leah...