Since I don't know the exact 'dark house story', I can't say for sure. But it could be a young adventurer who decides to explore the dark house, or a family that lives there and experiences strange things.
Since I don't know the details of this 'the dark house story', I can't say for sure who the main characters are. They could be a group of curious kids, or maybe an adventurous couple.
Typically, the main characters would be children. Maybe a brave little boy or girl who decides to explore the dark house.
There could be a variety of characters. Maybe a brave adventurer who is drawn to the mystery of the dark house. There could also be previous inhabitants whose presence is still felt in the house. And perhaps there are some local people who warn the main character about the house, adding to the sense of mystery and danger.
I'm sorry, I don't have information about the main characters in this novel as I haven't read it.
Obviously, the Loud family members would be the main characters. Lincoln, being the main character in the original series, would probably play a crucial role in this fanfiction too. He might be the one to come up with plans to deal with the situation of being left in the dark.
I'm not sure exactly as I haven't read the specific 'In a Dark Dark Wood Story' in detail. But it could have a protagonist who is lost in the dark wood. Maybe there's also some kind of guide figure, like an old hermit or a magical creature that helps the protagonist find their way.
Since I have no knowledge about this story, it might have a brave explorer as one of the main characters. Maybe there's also a wise old hermit living in the wood who helps or hinders the main character's journey.
I'm not sure specifically since we don't have more details about this story. But it could be a lost traveler who is trying to find his way out of the forest.
Maybe there are a group of children as the main characters. They might be playing near the woods and end up getting lost in the 'dark dark woods'. Their naivete and curiosity could be central to the story as they try to find their way out while also being afraid of the unknown in the woods.
Lucy is another character that could be prominently featured. Given her gothic nature, she might have an initial attraction or understanding of the dark arts. She could either be a novice trying to learn more or a bit of an expert guiding the other Loud siblings when they encounter dark arts - related situations.