Jesse Grass
Wikisimpsons - The Simpsons Wiki
Jesse Grass is the teenage leader of a club called Dirt First, which protests against things that are harmful to the enviroment, like the Krusty Burger. He was thrown in jail for his protests. He is a level five vegan, meaning that he refuses to eat anything that casts a shadow. He, Dirt First, and Lisa try to save Springfield's oldest redwood. He appeared in Lisa the Tree Hugger and was voiced by Joshua Jackson.