He is very interested in Life Science and Health. He's also the advisor of the Sewing Club and, as revealed in Guide to: Seating and Tryouts, he's very talented at basketball and coaches the boys' basketball team.
In the episode Guide to: Crushes and Dances, he was the DJ at the school dance.
In the episode, Guide to: The New Semester and Electives, it's shown that Ned thinks of Mr. Monroe as "a great teacher."
He was gone for some of season 3, but returned after a year of living with penguins. In Guide to: Spring Fever and School Newspaper, he returned and began the school newspaper again (of which he's the advisor). He passed information to Ned and Moze under the name of "Deep Wolf."
Mr. Monroe had a dark secret: he used to be a bully when he was Loomer's age (this was found out in the episode Guide to: Cheaters and Bullies) and he did all the bad things, which is similar to what Loomer does but as he got older, he soon got out of his bully zone and became a much kinder and friendlier person. Since his adulthood, Mr. Monroe is now kind, hard working, creative, helpful, gives advice to students and a friend to everyone.
- Guide to: The First Day and Lockers (first appearance)
- Guide to: Bathrooms and Project Partners
- Guide to: Teachers and Detention
- Guide to: Seating and Tryouts
- Guide to: Crushes and Dances
- Guide to: Sick Days and Spelling Bees
- Guide to: Rumors and Photo Day
- Guide to: Elections and Talent Show
- Guide to: Notes and Best Friends
- Guide to: Cheaters and Bullies
- Guide to: Emergency Drills and Late Bus
- Guide to: The New Semester and Electives
- Guide to: School Clubs and Video Projects
- Guide to: Vice Principals and Mondays
- Guide to: Dares and Bad Habits
- He is always opposed to violence, and speaks in a kind voice.
- He was absent during part of season 3, as he was "living with the penguins". This is likely because Jim J. Bullock could not be there to film the show.
- It's shown Mr. Monroe is mostly happy all the time, even on dark days. In episode, Guide to: Vice Principals and Mondays, while everyone else was mad and grumpy, he was still happy.