Muddy Buddies, also known as Puppy Chow or Monkey Munch, are a popular snack mix that originated in the United States and can be found across the country. While it's true that the snack mix has a strong following in the Midwest region of the United States, it is not exclusive to the Midwest and is enjoyed by people all over the country, most of the time calling it a different name like puppy chow.