Another character that can be popular is Neville. He could be a teacher at Hogwarts when Harry and Ginny's children go there. His interactions with the kids, his teaching style, and his relationship with Harry and Ginny as old friends can all be interesting elements in the fanfiction. There might also be new characters created specifically for the fanfiction, like a mysterious neighbor or a new wizarding family that has some connection to Harry and Ginny's family.
Obviously Ginny and Harry themselves are very popular. Their kids, like James, Albus, and Lily, also often take center stage. Then there are the Weasley family members who are still around, like Ron and Hermione who are close friends of the family. Neville could also make an appearance as an old Hogwarts friend.
Their children are often very popular characters. James, Albus, and Lily Potter can have their own unique personalities and story arcs. For instance, James might be the mischievous one like his father was at his age, getting into all sorts of trouble at Hogwarts. Albus could be the more introverted and studious one, grappling with the weight of his father's legacy. And Lily might be the brave and headstrong girl.
Obviously, Harry and Ginny themselves are very popular. Their relationship and how they interact as a married couple is often a central focus. Their children also draw a lot of attention, especially if they have unique personalities or magical abilities.
Obviously, Harry and Ginny themselves are very popular. Their relationship and how they raise their family is a central focus in many fan fictions. Their children, like James, Albus, and Lily, are also quite popular as they represent the next generation of the Potter - Weasley family. Each of them has their own unique personalities and potential for magical abilities, which makes them interesting characters to explore.
Harry and Dumbledore are no doubt at the top. But then, characters like Grindelwald also become important in this type of fanfiction. Since he had a complex relationship with Dumbledore, his inclusion can add a lot of drama. Also, Minerva McGonagall can be a popular character in these fanfictions. She was close to Dumbledore and had a role in Harry's life at Hogwarts. Her interactions with the exploration of Dumbledore's family affairs can be really interesting to read about.
Sometimes, even characters like Luna Lovegood show up. She could introduce the kids to some of the more out - there aspects of the wizarding world, like strange magical creatures that she has a special knowledge of. Her unique perspective can add a touch of whimsy to the fanfiction stories.
Neville could be another important character. He could be like a godfather to their children, teaching them about Herbology and sharing his own experiences of growing up in the wizarding world. Luna could also be involved. She might bring some of her unique and dreamy ideas to the family, like introducing the children to some strange but fascinating magical creatures she discovered. And of course, the Weasley family as a whole would be very much present, with Molly Weasley spoiling the children with her delicious magical cooking.
Andromeda Tonks is a character that is getting more popular in Black Family fanfictions. Her choice to marry a Muggle - born and break away from the Black family's pure - blood ideology is an interesting aspect. Fanfictions can explore her life before and after this decision, and how it impacts the Black family as a whole.
Luna Lovegood can be a popular character in such fanfiction. Her unique view of magic can add an interesting perspective to family magics. Sirius Black is also quite popular. His knowledge of the Black family magic and his rebellious nature make for great storylines. Additionally, Ginny Weasley, with her strong Weasley family ties and her own magical abilities, often features prominently.
Ignotus Peverell is often quite popular. Since he was the original owner of the Invisibility Cloak, fanfiction writers like to explore his life more, his reasons for creating or obtaining the cloak, and what he used it for.