Dirty Dan the little brother of Dusty. In A Dirty Dusty Apology, he had a fight with Dusty when they were mining. They mine for gold, iron, and silver. In Fool for Gold, when he and Dusty THINK they were finding gold, they actually dug fool's gold.
Dirty Dan is kind, smart, and brave. In other episodes, they have an argument between his brother Dusty. But in last, they were happy together again.