Sirius Black is often very popular. Since he's been freed from Azkaban, he brings a lot of mystery and a connection to Harry's past. Harry himself remains a central figure, of course. His growth and development after the events of Azkaban are always interesting to explore. Hermione is also popular as she continues to be the brains of the group, coming up with clever plans and solutions.
Definitely Sirius Black. He has a wild and free spirit now that he's out of prison, and his relationship with Harry is a major draw. Luna Lovegood can also be quite popular in these fanfictions. She has such an unique perspective on magic, and in the post - Azkaban world, her insights could be really valuable. Neville Longbottom might also gain more popularity as he could show more of his hidden strength and courage during this time.
One popular original character is often a new student who has some special ability related to divination. This character can add new elements to the story, like predicting things about Sirius Black that no one else can.
Another popular original character could be a mysterious professor who has a hidden agenda. This professor might seem friendly at first but is actually working for a secret organization. They add an element of mystery and suspense to the story. They could be secretly studying the secrets of the Azkaban prison or have a connection to Sirius Black's past that no one else knows about.
Harry Potter himself is of course very common. He's usually the central figure in these fanfictions. Hermione Granger is also often included as she is Harry's friend and a brilliant witch. Ron Weasley too, as he's part of the trio. Sirius Black might also be a common character since he has a connection to Azkaban.
Harry Potter himself is of course very memorable in this fanfiction. His growth and development as the 'King of Azkaban' are central to the story. He might display new traits like increased determination and a darker side due to the harsh environment of Azkaban.
Albus Potter is quite popular. As Harry's son, he has a lot of potential for new adventures. His relationship with his family, especially his father, can be explored in many ways in fanfiction. Also, Scorpius Malfoy is often a favorite. His family's past and his own character, which is different from his father's, make him an interesting character to develop in stories set after the books.
Albus Severus Potter is also a popular character in post - book 7 fanfiction. As Harry's son, he has big shoes to fill, and fans are interested in his journey at Hogwarts, his friendships, and how he deals with the legacy of his father and the name of Snape.
In 'Harry Potter after school' fanfiction, Ginny Weasley is a popular character. She's strong - willed and has her own set of magical skills. Fanfictions might show her using her after - school time to practice Quidditch in new and innovative ways or getting involved in some sort of mystery at Hogwarts. Fred and George Weasley also make appearances. Their pranks and business - mindedness can be a big part of after - school fanfiction. They could be creating new products for their joke shop during their free time or pulling elaborate pranks on the teachers, which always makes for an exciting read.
Some fanfics introduce a new character, a seer who can see not just the future but also alternate timelines. This character is unique as they can provide insights that no one else can, and often their visions drive the plot forward in unexpected ways.
Sirius Black is a very popular character in such fanfiction. Since his death was quite tragic in the original series, many fanfictions explore his afterlife and his possible return or influence on the living. Also, Dumbledore, as a very powerful and wise wizard, often appears in these fanfictions, perhaps guiding the living from beyond the grave or having some unfinished business in the afterlife.
Harry Potter himself is still quite popular. People like to see his life after the big battle, how he copes with his new - found fame in a more peaceful world. Hermione Granger is also a favorite. Fans might write about her furthering her studies and making new contributions to the wizarding world's knowledge. Another popular character is Draco Malfoy. His potential for redemption and his complex character make him an interesting subject for fanfiction writers.