Since I don't know the details of this story, it's hard to say. It could be pilots, aircrew members if it has something to do with a plane - related event on the tarmac. Or it could be spies if it's a story about espionage and the tarmac is the location for a secret exchange.
I'm not sure specifically which 'secret on the tarmac story' you are referring to. There could be many stories with such a title. It might be about some hidden event or mystery that takes place on a tarmac, like a secret meeting between important people, or something being smuggled on the tarmac without others' knowledge.
Given the lack of context regarding the 'bastos secret secret story', we can only speculate about the main characters. If Bastos is a person, perhaps they are the central figure, and there could be friends, family members, or foes around them that are part of the story. Maybe there are also some mysterious figures that help or hinder Bastos in the discovery or protection of the secrets in the story.
The main characters in the 'Secret Seven Story' are, of course, the seven kids that make up the Secret Seven. There's Peter, who is likely the leader or one of the main leaders in the group. He's brave and often comes up with plans. Then there are other members like Janet, who might be good at supporting the group in different ways, maybe by providing moral support or helping with the details of their investigations. There are also other kids in the group, all with their unique traits that contribute to the group's ability to solve mysteries.
I don't know for sure, as I'm not familiar with this story. It could be a young adventurer who discovers the secret book.
Since I don't know the exact 'the secret message story', it's hard to say. But usually, there would be a person who discovers the message. There might also be a helper, like a wise old man or a clever friend who assists in understanding the message.
There might be a young fairy who is on a quest to discover the secrets, and she could be one of the main characters. Also, there could be an antagonist, perhaps another fairy who wants to keep the secrets hidden at all costs. There could also be some human characters if the story involves the interaction between the fairy world and the human world.
There could be a curious child as one of the main characters. This child is always exploring and it's their inquisitiveness that leads them to the secret door.
As we have no prior knowledge of this story, it's hard to tell. It might have a protagonist who is on a journey to find the secret book. There could also be an antagonist who wants to use the book for evil purposes. And perhaps there are some side characters like friends or family members of the protagonist who play important roles in the story.
I'm not sure exactly who the main characters are without reading the story, but it could be a young child who discovers the secret lion.
Since I'm not familiar with 'the secret miracle story', it's hard to say. However, it could have a character who is in search of the secret miracle and along the way meets other characters who either help or hinder this search. There might be a wise old figure who knows something about the miracle or a young and curious person who stumbles upon it.