Mr. Kotter he’s not.
South Korean math teacher Woo Hyung-chul’s teaching methods include cursing at his students and hitting them with a shovel.
But because it’s South Korea, his students love him. According to the Korea Times:
Students who gave up on math call him a “messiah” for redeeming them from the deep, dark valley of hopelessness and a state of utter lack of motivation.
How do you say “Stockholm syndrome” in Korean?