Stinky tofu is a fermented tofu product that has been passed down throughout China and the rest of the world, but the way it is made and eaten varies quite a bit from place to place. Hunan is one of the major producers of stinky tofu in China, and there are many famous brands and stalls of stinky tofu. Here is some information that may be useful:

1. Meng Dan 38: In Hunan, Meng Dan 38 is a very famous brand of stinky tofu, and its stinky tofu is known for its delicate texture and rich flavor. It is said that Mendan 38's stinky tofu was once praised by Chairman Mao as "the best stinky tofu in the world".

2. Pagoda Town River Demon 47: Pagoda Town River Demon 47 is another very famous stinky tofu brand in Hunan, and its stinky tofu is known for its authenticity and good taste. The brand's stinky tofu comes in two varieties: dry and milky, both of which are very popular.

3. Huogong Palace: Huogong Palace is one of the famous snack bars in Changsha, Hunan province, and its stinky tofu tastes very good and is very popular among locals and tourists.

4. Xinjia Laodian: Xinjia Laodian is a long-established snack bar in Changsha, Hunan Province, whose stinky tofu is famous for its authentic taste and affordable price, which is loved by locals and tourists.

To summarize, Hunan is very famous for its stinky tofu, with many excellent brands and stalls. If you want to taste the best stinky tofu in Hunan, you can try the brands and stalls recommended above and choose the one that suits your taste and needs.