Obviously, Harry Potter himself. Then there would be his friends like Ron and Hermione. They would be there to support Harry and also be amazed by his new powers. Dumbledore would surely be in the story as he is an important figure in Harry's life. And of course, the villains like Voldemort and his Death Eaters who would be the antagonists against Harry's newfound abilities.
In addition to the main characters from the Harry Potter series, there could be some characters related to Flash. Maybe there could be a cameo of Flash himself, perhaps in a vision or a memory that helps Harry understand his powers better. There could also be other characters from the Flash's world that have some connection to Harry's heritage as the son of Flash. And don't forget about the Hogwarts professors, they would play a role in teaching Harry how to control his powers while still being a wizard.
There might be new characters created specifically for this fanfiction. For example, a wizard who has some knowledge about the combination of Flash - like powers and magic and can help Harry train. There could also be some magical creatures that are attracted to Harry's unique powers. And there could be other students at Hogwarts who either become friends or rivals with Harry because of his extraordinary abilities.
Obviously, Harry Potter himself. Then there would be his friends like Ron and Hermione. They would probably play important roles in helping Harry understand and deal with his new identity as the son of Leonidas. Dumbledore would also be there, perhaps guiding Harry on how to use his newfound heritage for the greater good. And of course, there would be antagonists too. Voldemort would still be the main bad guy, and he might be even more interested in Harry now that he has this unique heritage.
Obviously, Harry Potter himself. There could also be a new character who is like a raven - guardian, someone who has been watching over Harry because of his raven heritage. And perhaps some old characters like Hermione and Ron might play a role in helping Harry understand his new identity.
Well, Harry Potter is a given. Hecate, as his mother in this fanfiction concept. His friends Hermione and Ron would be key characters as they always are in Harry's story. There could be magical professors at Hogwarts who notice the changes in Harry due to his new heritage. Additionally, there could be some minor characters from Greek mythology, like nymphs or satyrs, that make an appearance. There might also be some descendants of other gods or goddesses who either befriend or oppose Harry based on his relation to Hecate.
The 'harry potter son of the flash fanfiction' could be a really creative and unique story. It might start with an alternate reality where the magical and superhero worlds collide. Harry, being the son of The Flash, might have a different upbringing. Instead of just the Dursleys, he could be in a world where he has to hide his dual nature - both wizard and speedster. His time at Hogwarts could be filled with challenges as he tries to master both magic and control his super - speed. And there could be a whole new set of villains that are interested in his unique powers.
In this fanfiction, Harry as the son of Flash might have a unique way of using magic. Since Flash has super - speed, Harry could combine that with his magic. For instance, he could cast spells at a super - fast rate that no one else can match. His adventures would be different as he'd be able to get in and out of situations much quicker than normal. He might even be able to outrun dark wizards and their curses.
Harry Potter and Barry Allen (The Flash) are often popular to pair. They both have a strong sense of justice and a desire to protect their worlds. Harry's magical abilities combined with Barry's super - speed can make for some exciting adventures. Another popular pair is Hermione Granger and Cisco Ramon. Hermione's intelligence and knowledge of magic can work well with Cisco's technological know - how.
There could be some house - elves involved too. Maybe Dobby appears in the bathroom to offer Harry some help or advice, which would be a rather comical situation considering Harry is in the shower. Or other house - elves who are cleaning the bathroom while Harry is in there and he has some sort of interaction with them.
Well, Archive of Our Own is a great place to start looking for the 'harry potter son of the flash fanfiction'. It has a well - organized tagging system, so you can search for 'Harry Potter' and 'The Flash' related tags. FanFiction.net is also a popular option. There are also some smaller, more niche fanfiction communities that might have it, but those two are the most likely places to find it.
Obviously, Harry Potter would be one of the main characters as the title implies he is the son of Lilith in this fan - made story. There might also be appearances from other familiar characters like Dumbledore, who would probably have a very different relationship with Harry given his new parentage. Hermione and Ron could also be main characters, as they would be involved in Harry's new journey in this altered version of the story.
The main character is Harry Potter. In addition, there could be a character who is Harry's long - lost brother or sister, also having special magical abilities. This character could play a significant role in helping Harry understand his new identity. There might also be a powerful wizard from a foreign land who comes to Hogwarts to study Harry and his powers. And, there could be a character within Hogwarts, perhaps a teacher or a student, who initially doubts Harry's new status but later becomes his most loyal supporter.