Depiction in the series
In "Sweet Justice," after discovering that Barbara, Kara, Karen, Zatanna, and Jessica caused the first food fight on the first day of school, he gave them detention along with Diana, who posed as a transfer student.
Mr. Chapin is the strict principal/teacher of Metropolis High School who doesn't like troublemakers. Not only he don't like troublemakers, he also hates wise guys. In Detention Club, Mr. Chapin is Green Lantern's biggest fan.
- Sweet Justice (Part 1)
- The Good The Bad and the Bizarre
- Back In a Flash
- Scrambled Eggs
- Emperor Penguin
- Fantastic Beasts and How To Mind Them
- Anger Management
- Accept No Substitute (no line)
- Detention Club
Click here to view this page's gallery.