Since I haven't read it, I can't say for sure. But perhaps there could be an owner of the umbrella as one of the main characters.
As I don't know the exact 'umbrella short story', it's hard to say. It could be a lonely traveler who uses the umbrella to protect from the elements.
The main character is the umbrella man. There might also be the person to whom he tries to sell his umbrella.
As I haven't read the story, I can't be certain. But the man with the umbrella is surely one of the main characters. There might be other characters like people he meets on his way, such as a passer - by who notices his umbrella or someone he has an interaction with because of the umbrella.
I don't know as I haven't read it, but it could be the person who owns the black umbrella. Maybe there's also a character who is envious of the umbrella or someone who tries to steal it.
The main character is likely a girl who is at an age where she is starting to be aware of social differences. There might also be her mother and perhaps some other minor characters like the people who own or are associated with the white umbrella. The girl's perspective is central, and through her eyes, we see how she views the white umbrella and the people around it.
I'm not sure specifically as I haven't read the exact story, but usually in such a story, there would be a character who owns the blue umbrella. There might also be other characters who interact with the owner because of the umbrella, like neighbors or strangers on the street.
I'm not sure as I haven't read the story, but it could be the person who owns the blue umbrella. Maybe there's also a character who tries to steal the umbrella or someone who helps the owner protect it.
The Umbrella Academy Short Stories focus on the seven siblings. Luther, whose super - strength sometimes makes him feel like an outcast even among his own family. Klaus, who uses his medium abilities to navigate through some really strange and otherworldly situations. Vanya, who is constantly trying to come to terms with her destructive powers. Five, the time - traveling enigma. Diego, who is always ready to fight for what he believes in. Allison, with her power that has far - reaching consequences. And Ben, whose presence, even though he's dead in the main timeline, is still very much felt in the short stories.
The main character is the umbrella man, of course. And there is also the person he tries to sell his umbrella to.
Obviously, the main character is the little girl. And the umbrella can also be considered as an important character in a sense, as it is likely to play a significant role in the story, like being her companion or a key element in the plot.