Another theme is growth. Harry, Fred and George all grow and change throughout the series. In fanfiction, this can be further explored. For instance, how Harry's leadership skills develop as he teams up with the twins more often, or how Fred and George learn to be more responsible as they get involved in more serious matters with Harry.
Another theme could be growth. Their characters develop over time, learning from their experiences. For instance, they might learn about the importance of loyalty and sacrifice through the events in the fanfiction stories.
One common theme is friendship. In these fanfictions, the bond between Harry, Fred and George is often explored deeply. They support each other through various challenges at Hogwarts or in the wizarding world at large.
Overcoming challenges. Given the dangerous world they live in with Voldemort around, they often have to work together to face and overcome various threats and difficulties. For example, in some fanfictions, they team up to outwit Death Eaters or solve mysterious magical problems that put Hogwarts at risk.
One common theme is friendship. Harry forms a strong bond with Fred and George, often relying on them for support and fun during his time at Hogwarts. Another theme is mischief. Given the twins' love for pranks, many fanfictions involve Harry getting caught up in their schemes.
Another theme is loyalty. In these fanfictions, they are often depicted as being extremely loyal to each other, even in the face of difficult situations. This loyalty is what holds their relationship together and helps them overcome various obstacles. They would stand by each other no matter what, whether it's dealing with school bullies or more serious threats from the wizarding world.
One common theme is the exploration of forbidden love. Since they are friends and in a somewhat complex friendship group, the idea of romantic feelings emerging can be seen as something that goes against the norm of their friendship, adding an element of tension.
One common theme is friendship. Their bond is often explored, like how they rely on each other during dangerous situations or just for a good laugh. For example, in many fanfics, they'll team up to play pranks on other students or teachers.
The theme of innovation is also quite common. Given their inventive nature in the original stories, fanfictions may show them coming up with new magical products or spells. Additionally, loyalty to their family and friends is a recurring theme. They are always there for those they care about in many fanfictions.
In this type of fanfiction, a frequent theme is character growth. Harry, being in a dominant role, may experience different aspects of leadership and responsibility. For Fred and George, as submissive characters, they might have to learn to adapt to Harry's authority in new and interesting ways. Also, themes of loyalty and trust often come into play, as they navigate this different relationship structure within the context of their magical adventures.
Another theme could be family - like relationships. Even though they're not related by blood, the bond between them can be written in a way that is similar to family. They might look out for each other, have family - style traditions, or even have some emotional moments where they feel like brothers.