ThisTroper has a physics professor like this. He'd insult you for asking a stupid question, had a grading system that bordered on sadistic, and expected that you follow his instructions to the letter. Thing is, he also began each class with a MontyPython clip (or something just as funny), was genuinely enthusiastic about physics, and tried to make it fun for his students (he shot a ''blow dart'' at a Barney doll to demonstrate gravity). And to top it off, if you ''did'' do exactly what he said, you were guaranteed to pass the class. Every student who is currently enrolled in his class hates him, and every student who has gone through his class loves him.

This troper's Filipino teacher is absolutely strict with the passing of projects and the like, and if you pass one minute too late, you got a minus and ridiculed students who gave the wrong answer, but he gave interesting and funny lectures and often had us doing fun projects.

This troper's math teacher is the very epitome of this. Known to be one of the few teachers who actually gives out harder homework than exam questions paired with rather large amounts of it, and has no reservations whatsoever in booting an uninterested student right off the course. He also seems to genuinely enjoy the hilarity of some ways students can fail their homework, is actually fairly nice as long as you sit down and shut up when not asked anything, and ultimately, if you pass his courses, there is nothing stopping you at the finals.

This troper's history teacher radiates an aura of power (it doesn't hurt that he's a housemaster and according to his house, his word is law), sets us essays due in for next day, marks incredibly harshly, yells at students and has no problem with ridiculing them. However, he is a genuinely good teacher who likes joking around with his students, supports you when you need help, pushes you to do the best you can (his marking is equivalent to GCSE marking, so if you do well in class you'll pass your GCSE) and has generally been quite nice to this troper.

This troper had one in high school, for American literature. He routinely mocked his students, calling them "chunkies," yelled at students that talked during lecture time, and frequently told the TooDumbToLive students to never ever have sex and pollute the gene pool. But every student got treated fairly during grading time, and if you listened and made intelligent answers to his questions during lecture, he treated you with respect. He currently has a Facebook group dedicated to him, where all of the souls that he had crushed over the years had banded together to reminisce on what a great teacher he is.

This Troper's old Sophomore Algebra I teacher. Very stern, but bloody hilarious when he rips on someone on who isn't you. XD

This Troper's old eighth-grade Social Studies teacher. Stern and gave difficult tests and lots of homework... but freaking hilarious. He'd frequently show video clips, tell jokes, give out soda and candy (he gave us each a Slider from White Castle once)...

ppTropers/{{cozcat}} This troper]]'s year ten maths teacher was old, loud, and scared the living crap out of everyone. He ridiculed and stuck with running jokes for the entire year, such as repeatedly asking a student his name, and then responding "Caleb... that's a nice name" or something to that effect. I recall one time when he told a student to shine his shoes, and checked them the next class. He is universally beloved by students who had him for a full year, despite them hating him at the start.

My former math teacher. Tons of homework every night, the most impossible test questions ever, complete silence when he entered the room, unquestionably the best teacher I ever had.