Since I don't know the story, I can't say for sure. But it could be a brave rescuer and the person or creature being rescued.
Since I'm not acquainted with 'friends to the rescue full story', I can only guess. There might be a protagonist among the friends, perhaps someone who is in the most immediate danger and needs to be rescued. And then there would be his or her friends, each with their own personalities. There could be a strong and athletic friend who helps with the physical aspects of the rescue, and a more sensitive friend who offers emotional support.
Ruby is surely a key character in the 'Rescue Ruby True Story'. There could be a heroic figure who rescued Ruby. Maybe it was a kind - hearted neighbor if it was a local rescue situation. Or it could be a professional rescuer like a firefighter or a police officer if it was a more serious situation. There might also be witnesses or bystanders who played a role in the rescue, and they could be considered main characters as well.
The deerslayer is surely one of the key characters. He is likely to be a skilled and brave individual. Besides him, there could be a damsel in distress, a female character who is in some sort of trouble. She could be lost in the woods or being chased by something. And there may be other supporting characters like an old hermit who gives some useful advice to the deerslayer on his rescue mission.
In an 'animal rescue graphic novel', the main characters can be diverse. There may be a young and passionate animal lover who starts their own rescue group. There could be an experienced rescuer who has seen it all and guides the newbies. And of course, the animals, whether it's a cute kitten stuck in a tree or a large elephant trapped in a mud pit, are central to the story as they are the ones in need of rescue and often have their own personalities that are depicted in the graphic novel.
David could be a character with a specific role in the story. Maybe he's the protagonist who embarks on a rescue mission, or perhaps he's someone who gets rescued. Without reading the actual short story, it's hard to say exactly who he is.
Well, obviously Peter Parker (Spider - Man) is one of the main characters since the story is about rescuing him. Then, of course, the Avengers. This would include Iron Man (Tony Stark), who would likely use his high - tech gadgets and suits to help in the rescue. Captain America (Steve Rogers) would bring his leadership and combat skills. Thor with his godly powers would also be a key figure, and Hulk (Bruce Banner) could provide brute force when needed.
The main characters are probably Sonic and an alternate version of Sonic. There could also be other Sonic characters like Tails or Knuckles making appearances to support the Sonics in their rescue mission. But Sonic and his doppelganger would be at the forefront, using their speed and skills to achieve the rescue.
Well, in a typical scenario for this kind of fanfic, it could be the leaders or the most skilled students from class 1 - a and 2 - b. For instance, if it's related to a hero - based story, the ones with the most impressive superpowers or combat skills might be the main characters. They would be the ones taking charge of the rescue operation at the USJ and making the crucial decisions.
I'm not sure specifically who the main characters are in '100 short story' as it's a rather general title. It could have a wide variety of characters depending on the nature of the short stories included. It might have ordinary people, heroes, villains, or even animals as main characters.
I don't know as I have no information about this 'a2 short story'. It could have characters like a brave hero, a cunning villain, or an ordinary person in an extraordinary situation.