Obviously, Harry himself. Then there could be German - born wizards and witches who become his friends or mentors. There might be a strict German potions master like Snape in Hogwarts. And perhaps a German - version of Dumbledore, an old and wise wizard who guides Harry.
Obviously, Harry Potter himself. Then there could be a Texan version of Hagrid, like a big - hearted rancher who discovers Harry's magical abilities. There might also be a local witch or wizard who acts as a mentor, someone with a thick Texan accent. And don't forget about the muggles in Texas, Harry's classmates at a regular school before he goes to Hogwarts. They could be curious, tough - as - nails Texans who don't quite understand Harry's strange behavior at times.
In such a fanfiction, apart from Harry, there could be a gang of street urchins. One of them might be a girl who has a special connection with Harry. And then there are the professors at Hogwarts. Snape would probably have an even more difficult time with this street - raised Harry. He might see him as a troublemaker at first. And Dumbledore would be the one trying to guide Harry in this new, different situation, still seeing his potential.
Obviously, Harry Potter himself. Then there could be some Canadian - born witches and wizards as his friends. Maybe a tough - as - nails girl from the Yukon who is an expert at ice magic. And a laid - back boy from Vancouver who has a special talent for communicating with magical forest animals.
Well, aside from Voldemort, there might be corrupt elements within the assassin organization that raised Harry. They could see his magic as a threat to their power and secrecy. Also, there could be some dark wizards who team up with the assassin enemies of Harry. These villains would be more complex as they combine the danger of dark magic with the stealth and combat skills of assassins. And there could be a new character, perhaps an assassin who was once a friend but turns bad due to jealousy or a thirst for power, creating a more personal and dangerous threat to Harry.
Voldemort would still be a major enemy. But with Kratos raising Harry, Voldemort might face a much more challenging opponent. Also, any dark wizards or creatures that oppose Harry would be in trouble. Kratos wouldn't tolerate any threats to Harry, so even the Death Eaters would have to be extra careful. Another potential enemy could be those in the wizarding world who oppose Kratos' methods of raising Harry, seeing them as too brutal or un - wizard - like.
Some of the Death Eaters who might have survived or changed their ways in an alternate universe could be the slashers. They would bring their knowledge of the Dark Arts and their own twisted view of the wizarding world. Bellatrix Lestrange, if she had a different path, could be a very interesting slasher figure in such a fanfiction, as she is extremely powerful and unpredictable.
In a 'Harry Potter Raised in Germany' fanfiction, Harry might have a different accent when he casts spells. German spells could be incorporated into his magic repertoire. Also, the social and cultural aspects of the German wizarding community would shape his personality. He might be more reserved or have a different sense of humor. And his relationships with other characters would change. For instance, his friendship with Hermione and Ron might develop in a different way as they come from different cultural backgrounds.
Obviously, Harry Potter himself would be the central character. Then, Hermione Granger could be one of the members of the harem. She is intelligent and has a long - standing friendship with Harry. Ginny Weasley is also a likely candidate as she has a romantic interest in Harry in the original series. Luna Lovegood might be another, with her unique and dreamy personality adding an interesting dynamic to the harem.
Obviously, Harry Potter is a main character. And the Famels, though we don't know exactly who they are in this context yet, are also central.
The main characters are Harry Potter and Zuko. Harry, a boy with magical powers, would be in a completely different situation being raised by Zuko. Zuko, who has his own story of redemption, would now be responsible for Harry. There might also be other characters from both universes making appearances, like Hermione and Ron from Harry's world, or Aang and Katara from Zuko's world, but Harry and Zuko are the central figures.