Mr. Sparks

Mr. Sparks was Greg's math teacher earlier in Greg's Cabin Fever year. Every time he wanted his students, including Greg, to remember an important math concept, he stands on a chair. But one time, while he was standing on a chair, one of the chair's legs broke and he fell down. He broke his collarbone due to the fall.Its unknown if he works at the school now or not.

Appearances

 * Diary of a Wimpy Kid: Cabin Fever