A math teacher known for his innovative teaching methods at St. Thomas High School. He employs creative characters and scenarios to enhance math problem retention. For instance, he personifies parentheses in interval notation as "evil" brackets, emphasizing their adjacent numbers’ exclusion from number sets. Despite his unique approach, some students label him a "bad teacher" due to occasional lapses in explanation, although few questions are raised during his lessons.
Student 1: Did you understand Mr. Gillis's explanation of quadratic equations today?
Student 2: Kind of. He went off about superheroes and villains, but I guess it helped me remember the formula.