|Relatives|| Father: H. G. Blob|
Mother: Mrs. Blob
|First appearance||The Route of All Evil|
|Voiced by||Tress MacNeille|
- "When I re-solidify, I'm gonna put you in a world of goop!"
- ―Brett Blob[source]
Brett Blob is the son of H. G. and Mrs. Blob. He was the bully at the school Cubert Farnsworth and Dwight Conrad attended. When Dwight and Cubert delivered their newspapers they angered Brett by throwing a paper through his window and H. G. Blob fought with Hermes and the Professor Farnsworth.