He teaches in a more scientific, geeky and pratical way of thinkining than most teachers. Even though you may won't to punch his face in he is a very is a very smart teacher.
His easiness is low, which is good. The school needs discipline. He is one of the four strands of discipline holding the school together: Balange, Mckenzie, Jervis and Lois. Keep those Y 7's in line.
with jervis, if you are at his door at the exact time the class starts you are not allowed in the classroom,i found this very rude and there should be a 5minutes grace period!