Definition: "Marshman" is a fictional character from the animated television show "The Simpsons." The Marshman was created by writer and producer Matt Groening, based on a concept by Tom Shadyac. He is known for his love of marshmallows and is often seen as a kind-hearted and friendly character who tries to help others. In the show, Marshman is a small dog who has a special ability to melt chocolate and other substances. He is also a loyal friend to Bart Simpson and