Bran Caff

Bran Caff is Matteo and Tyson's teacher.

Chapter 1
Mr. Caff talks to Matteo and Tyson about their career path worksheet, expressing hope for Matteo and disappointment for Ty. They then find a glowing bottle of Mt Crush, and Mr. Caff doesn't want it in his room

Chapter 5
Mr. Caff can be seen talking to another teacher, where he expresses total apathy for everything currently happening.

Matteo Ramirez
Mr. Caff has high hopes for Matteo, wanting him to do his best

Trivia

 * His surname of Caff likely comes from "Caffine"