Hermione Granger is also a popular choice. Given her intelligence and love for learning about potions, it's easy to imagine her either creating more Felix Felicis or using it in a clever way to solve a problem at Hogwarts.
Draco Malfoy can be a character in these fanfictions. He might use the Felix Felicis to try and get out of some difficult situations his family has put him in, or perhaps to finally outdo Harry in something, adding an interesting dynamic to the story.
In many 'Harry Potter Permanent Felix Felicis Fanfiction', Ron Weasley could be one of the main characters. He often gets into all sorts of situations with Harry and Hermione, and with the addition of the permanent Felix Felicis, his character could have some really interesting developments. Additionally, some original characters created by the fanfiction authors might be main characters. These could be new students at Hogwarts who discover the permanent Felix Felicis and have to deal with the consequences.
Hermione Granger could also be a central figure. Given her intelligence and thirst for knowledge, she could be researching the Permanent Felix Felicis and its implications, and might accidentally consume it or use it in an experiment. She would then use her wits along with the potion's effects to navigate through various situations.
One interesting plot could be a character using the permanent Felix Felicis to solve a long - forgotten mystery in the wizarding world. For example, they might discover the true origin of an ancient spell that has been lost in time. Another could involve a student using it to always ace their exams and then getting into some trouble when the professors suspect foul play.
One idea could be a story where a student who is usually very unlucky gets ahold of Felix Felicis. They use it to turn their academic and social life around, but then face the challenge of whether their newfound success is truly theirs or just the result of the potion.
A really cool plot could be where the Permanent Felix Felicis has some unforeseen side - effects. Instead of just bringing good luck, it starts to warp reality in small ways. The main character has to figure out how to reverse or control these effects while also dealing with the regular challenges at Hogwarts like exams and rivalries. This would add an element of mystery and danger to the story, making it more exciting.
Hermione is quite common. Her intelligence and inquisitive nature make her a great fit for exploring the strange world of Wonderland. She could analyze the different creatures and situations she encounters.
Hermione Granger is a very common character. Given her intelligence and passion for justice, she often plays a crucial role in political changes in fanfiction. She might use her knowledge to reform the Ministry of Magic or fight for the rights of marginalized groups.
Harry Potter himself is very common. After all, he's the main character in the original series and is likely to be at the center of any apocalyptic events in the fanfiction. Hermione Granger is also frequently seen as she's smart and resourceful, which are great traits in an apocalypse. Ron Weasley is another one, as he's Harry's loyal friend and has his own set of skills.
The new generation of students at Hogwarts are very common in these fanfictions. Characters like Teddy Lupin, who has his own unique backstory being the son of Remus Lupin and Nymphadora Tonks. Also, the Weasley - Potter clan members are frequently seen. And in some fanfictions, there are original characters created by the authors, who interact with the well - known Harry Potter characters and add new dynamics to the story.
Another character that could be common is Charlie Weasley. Since he works with dragons in Romania, he can bring a lot of knowledge about dragons to the fanfiction. He might be called back to Hogwarts to deal with a dragon emergency, or be the one to introduce a new type of dragon to the Hogwarts students.