Dobby would likely be one of the important house elves. He has shown great courage and a willingness to go against the norm to help Harry in the original series. In this fanfiction, he could be the leader among the house elves in the rescue mission.
Dobby is often very popular in fanfiction. Since he was already a well - developed character in the original series, fanfiction writers like to expand on his story further. He might be shown having more adventures or getting into different kinds of trouble. Another popular one is Kreacher. Writers may explore his complex personality more deeply, perhaps showing a side of him that was not fully explored in the books, like his loyalty to the Black family in new and interesting ways.
A 'Harry and Hermione House Elves' fanfiction could also focus on how the house elves view Harry and Hermione. Maybe in the story, the house elves see them as their only hope for a better life. Harry and Hermione then have to figure out a way to change the entire system of house - elf servitude in a way that respects the elves' culture and traditions. This would involve a lot of research and diplomatic efforts on their part.
Well, for a fanfiction about Hermione and house - elves on prank night, it could start with Hermione coming up with the idea to have some fun with the elves. The elves, being magical creatures, could use their unique abilities in the pranks. They might use their magic to make things levitate or change colors in the Gryffindor common room. Hermione would be there to keep things in check and make sure no one gets too carried away.
You can start by looking on fanfiction websites like FanFiction.net or Archive of Our Own (AO3). These platforms have a large collection of fan - created stories. Just search for 'Harry and Hermione House Elves' in the search bar and you'll likely find a variety of stories to choose from.
During the prank night, Hermione might find that the house - elves have their own ideas about pranks. They could have traditional elf pranks that are more about mischief in a different way than what Hermione is used to. She could learn a lot from them about how to have fun in a more elf - like manner. And the elves could learn from Hermione about how to be a bit more bold in their pranks.
There's also a fanfiction called 'Hermione and the House - Elf Revolution'. It shows Hermione using her intelligence and magic skills to empower house - elves. She starts a sort of underground school for them to learn about their rights and how to fight for freedom in a non - violent manner.
Dobby is often very popular in fanfiction. Since he was already a rather unique and brave house - elf in the original series, in fanfiction he can be portrayed in even more heroic or complex ways, like leading a revolution among house - elves.
Dobby would be a very likely candidate. He was already a prominent house elf in the original series and had a strong connection with Harry Potter. His brave and rebellious nature would make for great stories in a fanfiction where Harry is involved as a house elf too. Maybe they could have more adventures together, this time with Harry sharing Dobby's experiences.
Dobby is definitely one of the most popular. His character from the original books was so endearing and his actions so brave that he often features prominently in fanfiction. Another popular one is Kreacher. His complex relationship with the Black family and his growth as a character make him a great subject for fanfiction writers.