As I haven't read the story, I don't know the main characters.
I'm not sure about the main characters in 'lost and found by octavus roy cohen' since I haven't had the chance to read it. But typically in such a story, there could be a protagonist who is the one directly affected by the loss and who undertakes the search. There might also be secondary characters like friends, family members or strangers who play a role in the lost and found process.
Since I'm not familiar with 'lost and found by octavus roy cohen', I can't name the main characters. However, in most 'lost and found' stories, there is often a central character who experiences the loss and drives the plot forward by trying to find what is lost. There could also be supporting characters such as those who provide clues, those who create obstacles, or those who offer moral support during the search.
Since I'm not familiar with this specific story, it's difficult to give a proper summary. However, generally in a 'lost and found' story, there are likely elements such as a character losing something important, perhaps an item or a relationship, and then going through a journey to find it again. There might be various obstacles and other characters involved in the process.
Without reading the 'lost and found a novel', it's difficult to determine the main characters. But it could have a character who has lost something important, like a job or a friendship, and the other main character could be someone who helps in the process of finding it again. For example, a mentor - like figure who guides the 'lost' character through their journey of discovery.
There could be a group of friends as the main characters. They might find themselves lost in an unfamiliar place together, like a strange forest or an abandoned building. Each friend could have different skills and personalities that contribute to their journey of getting found or finding something important that was lost. For example, one might be really brave and lead the way, while another is good at solving puzzles that help them along the way.
There are also cases where historical figures themselves are main characters in a different context. For example, a famous historical hero who is taken out of their own time and dropped into a future or an alternate past. They have to adapt to the new situation while also dealing with the fact that they are out of their own time.
I'm not sure as you haven't provided the specific story. It could be anyone from a lazy person who wasted time to a hardworking one who learned the value of time.
Survival is also a big theme. Take the boy in 'The Graveyard Book' as an example. Bod has to learn how to survive in a graveyard filled with all kinds of supernatural beings. He has to find food, avoid the bad guys, and make friends who can protect him. And friendship is another important theme. In these novels, the lost boys usually form strong bonds with those who find them or help them, like how Wendy becomes like a mother figure to the lost boys in 'Peter Pan' and they rely on each other for support.
Suppose the 'Lost Boy Found' story is about a boy lost in a city. The first main event could be him getting separated from his parents in a crowded place. Then, he wanders around trying to find his way back. Along the way, he might encounter various people, some helpful and some not. The search operation by his parents and the police is another important part. And finally, the discovery of the boy, perhaps in an unexpected place, and the relief and joy that follows are the key events of the story.
The dog might have strayed too far from home while chasing a squirrel or exploring. Maybe it got disoriented. Luckily, someone kind noticed it and checked its collar for an address or contact number.
Since I don't know the exact 'shyam singha roy original story', I can't say for sure what the main characters are. But if Shyam Singha Roy is the title character, he would likely be a main character. There could also be other supporting characters like his friends, family members, or antagonists that play important roles in the story.
Roy, who might be a respected figure in his community or workplace. He has his own goals and dreams that he shares with Riza. Riza is his equal, a woman who stands by his side through thick and thin. In the fanfiction, they are the central focus as a married couple, with their relationship being the main driving force of the story.