I'm not sure specifically as there are countless 'across the time fanfic' out there. It could be the main characters from the original work that the fanfic is based on. For example, if it's a fanfic based on 'Doctor Who', the Doctor could be one of the main characters as he is already associated with time - travel.
Another possibility is that it could focus on secondary characters from the original work and give them a more central role in the context of time - travel. So instead of the main hero, it could be a sidekick or a minor villain who becomes a main character in the 'across the time fanfic' as they are involved in time - related adventures.
I'm not sure specifically as it depends on the fanfiction. But it could be characters who have some connection to time - related powers or events. Maybe a scientist who is trying to understand the storm across time, or a character from a different era who gets caught up in the time - storm.
I'm not sure specifically as it depends on the fanfic. But it could be an adventurous space pilot as one of the main characters.
As I don't know the details of this 'across the river novel', I can't tell you the main characters.
I don't have enough information to tell who the main characters are. Since it's just the title 'across the bridge novel', it could have a wide variety of character types, like a young adventurer, an old hermit, or a family trying to cross the bridge for some reason.
There could be a brilliant scientist character. In a story set across the universe, a scientist would be crucial for understanding the new worlds, technologies, and phenomena that are encountered. They might be the one who figures out how to solve problems related to the strange new environments.
I'm not sure specifically as I haven't read it in full. But generally, in this kind of light novel, there could be a young and brave protagonist who is eager to explore the universe. There might also be a wise mentor figure to guide the protagonist on their journey.
I'm not entirely sure as it depends on the specific fanfiction. It could be original characters created by the author who are designed to fit into this unique 'across the void' setting. Maybe there are some characters that are based on pre - existing universes but have been adapted to this new concept.
I don't know as I haven't read it. It could be a single protagonist like a traveler who is crossing the bridge.
I'm not sure as I haven't read the specific 'across the rooftops short story'. But typically, there could be a young protagonist, perhaps a curious teenager who is drawn to the rooftops.
I'm not entirely sure as it depends on the specific 'a chance in time fanfic'. It could be a young protagonist, maybe a teenager named Alex who is on a journey of self - discovery.