Stress Lizard

Stress Lizard is a animal that appeared in Wrecking Ball. When the school removed Stress Puppy after causing chaos in the library and replaced with Stress Lizard so that no one can touch the Stress Lizard. In the middle of the test, some kid let the Stress Lizard out of its tank, causing everyone to freaked out and chaotic when the Stress Lizard on the loose. As a result, everyone failed the test because of this.

Appearances

 * Diary of a Wimpy Kid: Wrecking Ball (First and only appearance)