The Graahks brothers are a group of graahks that responded to a letter in the 14th Postbag from the Hedge  about why graahks don't jump over pits. The name is a reference to the Marx brothers, and while Chico and Groucho were members of the Marx brothers, Karl Marx was a philosopher who founded communism, and had nothing to do with the Marx brothers.
- Carl is a communist graahk that says that the graahks die in protest over injust government. He is a reference to Karl Marx.
- Chico pokes Carl in the eye during the letter, interrupting him. He is a reference to Chico Marx.
- Groucho is a comedian based on Groucho Marx.