Since I don't know the details of the story, it's hard to say exactly. But I assume the 'balloon boy' would be a main character.
The Balloon Boy Untold Story could be about how the media frenzy around the event affected the family in ways that were not made public at first. It might include details about how the boy himself was really feeling during the incident. Perhaps he was scared or confused, and the family's handling of the situation was more complex than what was reported. Also, there could be aspects related to the community's reaction to the family after the event that remained untold.
I'm not entirely sure as I haven't read it specifically. But it might be about a boy and some incident related to a balloon that has some aspects not widely known before.
Obviously, the boy is one of the main characters. He is the one who has an interaction with the balloon. And the balloon itself is also a main character. It's the object that the boy is interested in, and around which the story likely revolves.
Well, clearly the main characters are balloon boy and balloon girl. Balloon boy is often depicted as a curious and adventurous character. He might be the one to initiate most of the exploration in the stories.
The main characters in the balloon boy story were the Heene family, especially Falcon Heene, the boy who was supposedly in the balloon.
The untold story might include the role of the media in shaping the whole event. The media latched onto the story quickly and might have influenced how the public perceived the situation. They could have added their own spin, and there could be details about how the family interacted with the media that we don't know. For example, were they coached on what to say? There could be a whole other side to the story regarding the media - family relationship.
In the 'balloon boy story', the family members, particularly the parents, were the key players. Their actions of faking the situation where it seemed their boy was adrift in a balloon led to a huge media circus. The boy himself was also involved in the sense that the family used him in their scheme, whether he fully understood what was going on or not. There were also the media personnel who covered the event extensively, believing it to be a real emergency at first.
The significance of Balloon Boy is mainly in his role of creating additional challenges for the player. By disabling the flashlight, he amps up the danger level.
There could be a young couple. The boy might be an artist who loves to create balloon sculptures, and the girl is charmed by his creativity and they fall in love.
Since I don't know the specific 'black balloon story', I can't say for sure who the main characters are. It could be a child, or maybe an adult who has some special connection to the black balloon.