Fred and George Weasley could be really fun to include. Their prank - loving nature and inventiveness could add some humor and unexpected solutions to the problems the Golden Trio might face in fanfiction. Additionally, Remus Lupin would be a great fit. His knowledge of dark creatures and his kind heart could make him a valuable ally for the trio.
Neville Longbottom is a wonderful character to add. He has grown so much throughout the series and can be a great support to the trio. Dumbledore, even if in a ghost - like or memory form, can offer his great wisdom. Also, Draco Malfoy can be included in an interesting way. Maybe in fanfiction, he has a change of heart and teams up with the trio against a greater evil.
Obviously, Harry, Hermione, and Ron are always popular since they are the Golden Trio. But other characters like Sirius Black often feature prominently. In time travel fanfictions, Sirius being alive in a different time period can add a lot of interesting dynamics. Dumbledore is also quite popular as his wisdom can play a crucial role in the altered timelines. And of course, Voldemort remains a central figure as the main antagonist that the Trio is trying to outwit in the different time periods.
Lestrange and Remus Lupin could also make an interesting pair. Lupin's calm and empathetic nature could contrast with Lestrange's volatile and dark personality. A fanfiction could explore how Lupin might try to understand what led her to the dark side and if he could possibly bring out any good in her.
One interesting 'golden trio harry potter fanfiction' is 'The Golden Trio's Next Adventure'. It takes place right after the events of the original series and has them facing a new dark wizard threat. Another is 'Golden Trio: Time Travelers' where they go back in time to change some crucial events in the wizarding world's history. There's also 'The Golden Trio and the Lost Artifact' which focuses on their search for a powerful, long - lost magical item.
One interesting fanfiction could be about the Golden Trio's adventures during a gap year. They might explore new magical places that were not mentioned in the original books. Another could be a story where they have to solve a mystery within Hogwarts that is related to an ancient magic artifact.
The characters in the 'dark trio' in the fanfiction are likely to be those who have a propensity for the dark arts or have some sort of malicious intent. It could be that the author takes minor characters from the original series and gives them more prominent roles within this dark context. For example, Crabbe and Goyle could be developed further into more menacing characters, or perhaps some of the Death Eaters that were not as well - explored in the original books could be part of this trio.
Draco Malfoy himself. In fanfiction, it could be interesting to explore how Draco reacts to his father Lucius' relationship (be it positive or negative) with Harry. It would add family drama and also show Draco's growth in different scenarios.
Dumbledore and Tony could make for an interesting combination. Dumbledore's wisdom and power could be contrasted with Tony's more down - to - earth and sometimes sarcastic personality. It would be fascinating to see how Dumbledore would handle Tony's modern - day sensibilities and how Tony would react to Dumbledore's magical authority.
Another interesting pairing could be with Dumbledore. Fem Merlin could offer a different perspective on magic to Dumbledore, and they could work together to protect Hogwarts and the wizarding world. Their combined wisdom and magic could be a formidable force against any dark forces in the fanfiction.
Dumbledore and Lady Hela would be an interesting combination. Dumbledore's wisdom and Hela's power could lead to some intense and thought - provoking interactions. They could be on opposing sides at first, but then find common ground in their goals for the wizarding world.