I don't know the specific main characters in 'Address Unknown Short Story' as I haven't read it. But usually in a short story, there are one or a few key characters who drive the plot forward.
I'm not sure specifically as I haven't read this short story in detail. But generally, a short story usually has a central conflict. It might be about a character's search for an address that has some special significance, or perhaps a story that unfolds around a letter sent to an unknown address.
The main character is, of course, the unknown soldier. However, depending on how the story is written, there could be supporting characters. For example, there might be a military officer who is in charge of identifying the remains. Or perhaps a chaplain who is involved in the burial ceremony of the unknown soldier. These characters would play important roles in the context of the story, as they interact with the concept of the unknown soldier in different ways.
The main theme could vary greatly depending on the plot and characters of the 'address unknown novel'. It might be about the mystery surrounding an unknown address, which could lead to themes of secrecy, discovery, and the unknown in general. For example, it could be about a detective trying to solve a case related to an address that no one seems to know about, and in that case, the theme of mystery and investigation would be prominent.
Since it's an unknown story, it's difficult to determine the main characters precisely. But based on the title, Joseph and his children are likely to be the main characters.
Since it's an unknown story, we can only assume that the Karate Kid himself would be one of the main characters. There might also be his mentor, like Mr. Miyagi, if it follows the same general theme as the original stories.
There could be a detective. Detectives are often in stories about mysteries. They would be trying to figure out the identity of the unknown man.
I don't know the main characters in 'a path unknown fanfiction' as there's not enough information. It could be original characters created for this fanfiction, or it could focus on minor characters from the source material and expand their stories.
Perhaps there is a lead angel character who is brave and has to make difficult decisions in 'angels unknown fanfic'. There might also be side characters like other angels who support or oppose the main character. And it's possible that there are some human characters who play important roles in the story, like those who are being protected by the angels or those who have a special connection to the angelic world.
Since I don't know the details of this novel, it's hard to say who the main characters are. But perhaps the owner of the red address book could be a main character, as the book seems to be important.
I don't know as I haven't read the book, so I can't tell who the main characters are.