Mrs. Lee

Mrs. Nina Lee is Greg's Pre-Algebra teacher and a minor character in the series. According to Greg, she watches Greg like a 'Hawk', presumably because she had Rodrick as a student in Middle School. Not much is known about her, but she only appeared in Rodrick Rules.

Trivia

 * Since her surname begins with "Mrs.", instead of "Ms." or "Miss", it's assumed she's married