Obviously, Carmelita and Sly Cooper are the main characters. Carmelita is the inspector who is always trying to catch Sly. Sly is the master thief. Their interactions and Carmelita's reactions to Sly's actions are the focus.
Obviously Percy himself is very popular. Since it's a 'Percy Jackson Reacts' scenario, he's at the center of it all. Fans love to write about his reactions.
Sans is one of the most commonly written characters. His laid - back yet mysterious nature makes for interesting reactions. Papyrus is also popular as his over - the - top and positive personality gives a lot of room for different reactions. Frisk is often included too, as they are the main character through which a lot of the game's story is told, so their reactions to various in - game events are frequently explored in fanfiction.
They might be really shocked at first. The RWBY characters are from a different universe, and the Transformers are huge mechanical beings. Ruby, with her innocent nature, would probably be in awe of the Transformers' power and size.
The X - Men might have mixed reactions. Professor Xavier would likely be intrigued by the potential for better mutant - human relations in the future. However, Wolverine might be skeptical and on guard, fearing that the future holds new threats to mutants. He's always been the more cynical of the group. The different reactions among the Marvel characters would add a lot of depth and interesting plot points to the fanfiction.
In this kind of fanfic, the main characters could be a mix of students and teachers. For students, aside from Harry, Hermione, and Ron, Neville could also be there. He has grown a lot and his inquisitive nature would make him interested in muggle things. Among the teachers, McGonagall might be involved. She is strict but also has a sense of wonder. Her reactions to muggle inventions would be a contrast to her usually no - nonsense attitude. Snape might also be included, and his reactions would likely be full of sarcasm and a bit of disdain at first, but later he might show some hidden admiration for the muggle ingenuity.
In the 'RWBY Reacts to Trail of Blood Fanfiction', the RWBY characters could have a wide range of reactions. Ruby, with her optimistic and heroic nature, might initially be in disbelief at the grimmer aspects of the fanfic. She would hope to find a way to turn the situation around. Weiss, being from a more refined background, could be quite vocal about her dislike for any unethical behavior or excessive violence. Blake, having seen her fair share of hardships, might be more empathetic but also critical. Yang, on the other hand, would be quick to defend any victims and would be outraged by any form of abuse or oppression in the fanfiction.
Ruby's adventurous spirit would lead her to explore every aspect of the Earth military in the fanfiction. She would be like a kid in a candy store, especially when it comes to high - tech weapons. Weiss's personality of being a bit haughty initially would make her a bit of a snob towards the Earth military, but her intelligence would make her soon understand their importance. Blake's withdrawn nature would mean she would be in the background, but her thoughts would be deep as she compares the military to the power dynamics in Remnant. Yang's exuberance and love for a good fight would have her eager to see how strong the Earth military really is.
Well, for the Avengers, it depends on the nature of the future shown. If the future is full of chaos and destruction, Captain America would likely feel a great sense of responsibility to prevent that from happening in their own time. He would start formulating plans and strategies right away. Black Widow, on the other hand, would be more cautious. She would analyze every detail of the future situation to figure out who the real threats are and how to neutralize them. Hulk might be confused and a bit scared at first, especially if the future technology seems like it could be used against him. But then he might see opportunities to use it for good, if he can get over his initial fear.