As we don't have the full 'the monster story', it's hard to be certain. However, it's very likely that the monster is a main character. It could be joined by a young child who is not afraid of the monster and tries to understand it. There might also be a group of villagers who are affected by the monster's presence. They could be angry at the monster for ruining their crops or scaring their livestock, or they could be curious about this strange being that has entered their lives.
In 'the monster story', if it's a typical one, the main character would be the monster. There might also be other characters like the people in the town where the monster appears. They could be the ones who try to run away from the monster or fight it. Another possible main character could be a scientist or a hunter who is interested in the monster and wants to study or capture it.
I don't know the details of 'the monster story', so I can't say for sure. But it could be the monster itself as a main character, and maybe a human who crosses its path.
The main character in Monster Hunter 2 main story is the player - the hunter. You are at the center of all the action. Alongside you, there are the village elders. They are the ones who hold the wisdom of the village and give you quests that are often related to the safety and well - being of the village. There are also the weapon and armor crafters. Without their skills, you wouldn't be able to upgrade your equipment to face the more powerful monsters in the game.
Most likely there is the monster itself as a main character. It might be a grotesque being that is trying to find its place in the world after being created. There could also be a sidekick or an assistant to the scientist who might have second thoughts about the whole experiment.
I'm not sure specifically without more details about the story, but it could be a brave explorer who ventures into the jungle and encounters the monster.
Since I don't have detailed knowledge about it, it could be the monster boy himself as the main character. There might also be some important monster characters like a wise old monster who gives advice to the boy or a strong monster that he has to fight or befriend.
In 'moin and the monster story', the two main characters are moin and the monster. Moin is likely to be the protagonist, the one through whose eyes we experience the story. He or she might have certain personality traits like courage or kindness. The monster, on the other hand, is the antagonist or at least a major force in the story. It could be of any shape or form, from a grotesque, hulking brute to a more ethereal and mysterious being. Depending on the nature of the story, their relationship could be one of conflict, friendship, or a combination of both.
The main characters include Frankie Stein, who is a patchwork monster. Draculaura, a vampire, is also very prominent. And Clawdeen Wolf, a werewolf, is another key character. There are also others like Lagoona Blue, a sea monster. Each of these characters brings their own unique personality and story to the overall Monster High Story. For instance, Frankie is often trying to figure out her place in the world as a newly created monster, while Draculaura has to deal with the expectations of being a vampire in a school full of different monsters.
I'm not sure specifically as there are many possible Monster House stories. But it could be a group of curious kids who are the main characters. They might be the ones to discover the secrets of the monster house.
I don't know the specific main characters in the 'monster ultra story' as not much information is given.
Often, a child is one of the main characters as they are the ones with the worries. And of course, the worry monster itself is a main character.
There might be a group of kids who are shopping in the supermarket when the monster appears. So the main characters could be these kids, their parents who are also there, and the monster. The kids could be the ones to come up with a plan to deal with the monster while the parents try to protect them.