In the 'the man with the talking dog story', the man is the central human figure. He is likely the one through whose perspective we see the events unfold. The talking dog, though, is also a main character. It is the unique element that makes the story different from others. Their combined actions, the man's reactions to the dog's talking, and how they deal with the world around them together all revolve around these two main characters.
Well, obviously both the dog and the man can be considered main characters. The man because he is part of the relationship with the dog, and his actions and decisions often drive the story forward. For example, if it's a story about a man and his dog on a journey, the man's choices about where to go and what to do are important.
Since I don't know the exact 'hot dog man story', the main character is likely the 'hot dog man' himself.
I'm not sure specifically which 'the man with the talking dog story' you mean. It could be about a man who has a dog with the extraordinary ability to talk, and perhaps they go on adventures together, or the dog gives the man unique advice using its talking ability.
Since I don't know the exact 'the dog man story', if it's a typical one about a man and a dog relationship, then the main characters would be the man and the dog.
Obviously, the main characters are the man and the dog.
The main characters would obviously be the dead man and the dogman. The dead man could be a former villager or a warrior. The dogman could be a creature created by some sort of magic or genetic experiment gone wrong.
The main character in the 'togo dog true story' is Togo, the sled dog.
Well, the main character in the hot dog salesman story is the hot dog vendor. He is the key element of the story. We get to know about his life, his work, and his challenges through the story as he stands there selling those delicious hot dogs.
The main character is of course the hot dog seller. They are the central figure around whom the story revolves.
As we don't know the details of 'the man story', the main character is simply 'the man' in question.