Whose nickname is hot dog?

This is not anyone's nickname, it is a kind of food.

Hot dogs are a way to eat ham sausage. The whole bread or sandwich with sausages in it is called a hot dog. It has nothing to do with the dog itself, just a name for bread.

You can eat hot dogs with various ingredients. There are other kinds of hot dogs. Those with cheese are called "cheese hot dogs", or simply "cheese dogs" Those with Chili sauce are called "hot dogs". The first two kinds are called "spicy cheese hot dogs"

convention

Hot dogs are a way to eat sausages. Hot dog sandwich can also be called hot dog directly. Hot dogs can be served with many kinds of ingredients, such as ketchup, mayonnaise, mustard, sauerkraut, pickled radish, onion chips, lettuce chips, tomatoes (sliced, chopped or diced) and peppers.

There are other kinds of hot dogs. Those with cheese are called "cheese hot dogs", or simply "cheese dogs" Those with Chili sauce are called "hot dogs". The first two kinds are called "spicy cheese hot dogs". The fried hot dogs wrapped in corn syrup and inserted with a small bamboo stick are called corn hot dogs.