He will assign homeworks that threatens 20 points off for the assignment not being printed, it costs money to print, then he will refuse to take the assignment as a grade because he is unhappy some people didn't print. Certain homeworks have to be rewritten 5 times per question or the assignment will not be graded. He has laughed in the faces of multiple students when being asked a question. He talks negatively about students who don't show up to class, even if they're absent due to sickness. When being emailed questions, he does not respond. Instead, he will make a petty statement in class and continue to avoid the question.