Mac's Teacher is a minor character and the teacher at Mac's school. She's usually seen anytime Mac is seen at school.
Mac's teacher is of African-American descent. She has black hair, orange shirt and shoes, and tan-colored pants.
- She only appears in 3 episodes.
- Her appearance in Emancipation Complication is very different than her previous appearances. While in "Bloo's Brothers" and "One False Movie" she was a calm teacher with a slight sense of humor, she appears as very aggressive and mean in Emancipation Complication.
- She appears to dislike Imaginary Friends in Emancipation Complication, while in previous episodes she seemed to like them.
- Other than Goo she's the only other character of Color see in the show.
- She has not appear on the seasons 5 and 6.