Donny (The Debarted)

Donny, voiced by Topher Grace. is a ten year old child and was raised in the Shelbyville Orphanage, not knowing who his parents were and unhappy not knowing where his real family is. Donny's most prominent character traits are his mischievousness, rebelliousness, disrespect for authority and sharp tongue. Donny was used by Principal Skinner and Superintendent Chalmers to snitch on Bart's plans. He becomes best friends with Bart at the end of the episode The Debarted; the episode also marked his first appearance.

Role in The Simpsons
He became a good friend of Bart Simpson in The Debarted. He was snitching on Bart and telling Skinner and Chalmers all of his plans, but Bart suspects that the snitcher is Milhouse so they beat him up and lock him up and leave him in a locker. Soon, Bart finds out Donny is the snitch and take him to a factory full of Diet Coke and Mentos. Skinner and Chalmers come and take Bart away. Donny furiously sets off the Diet Coke and Mentos, and making the factory explode. Donny and Bart become best friends at the end of the episode, although Donny must leave Springfield and hasn't seen Bart since.