Mrs Oxner
Mrs Oxner Is a demon spawn from hell. She preaches the cult XELLO. Hanging anyone that does not do it. "Advisory is for a grade" she says. Well... who cares about advisory. Mrs Oxner can also be seen trying to find ways to get kids to do anything in advisory. A true Satan Spawn. Ways to defend yourself from a "Mrs Oxner" is to keep a wooden stake and holy water around you.
Mrs Oxner has the ability to seek out those not doing Xello or Grade Checks