Well, obviously the Jackson twins themselves are the main characters. They could be named, say, Alex and Max Jackson. They are usually depicted as having a strong bond as siblings.
One idea could be that the Jackson twins have a secret power that they discover together. They then have to keep it hidden from the world while also trying to figure out how to use it for good.
A 'twins of love percy jackson fanfic' could potentially center around a pair of twins who fall in love with other characters in the Percy Jackson realm. It could be a story full of drama, as they might have to face the disapproval of the gods or other demigods. Their love could be a catalyst for some new prophecy or adventure. It might also delve into the unique powers or abilities that the twins possess and how those play into their love story and the overall plot of the fanfic.
In Percy Jackson, the gods themselves would have mixed reactions. Zeus might see the twins as a threat to the balance of power between the worlds. Poseidon and Athena, on the other hand, might be more intrigued and want to use the twins to their advantage. In the Harry Potter world, the students at Hogwarts would be divided. Some, like Ron, might be a bit wary, while others, like Luna, would be very open - minded. The Death Eaters would likely see the twins as something to be exploited if they thought it could help their dark cause.
Well, they could be the result of some sort of cross - over experiment gone wrong (but in a good fanfic way). Maybe they have powers from both worlds but struggle to control them at first. For example, they might accidentally cast spells while trying to use their demigod powers. And they could be the bridge between the two groups of friends. The demigods are skeptical of wizards and vice versa, but the twins help them understand each other.
Their family dynamics would be really interesting. Since Percy has a complicated relationship with his godly parents in the Greek mythology world, and Bella has her own family situation in the Twilight world. As twins, they might have a special bond that helps them deal with their individual family issues. For example, Percy could help Bella understand the importance of having a strong family connection, even if it's a bit different from what she's used to in her world.
One idea could be that the twins have powers from both the wizarding world and the demigod world. They can use magic spells like in Harry Potter and also have the abilities of a demigod from Percy Jackson. For example, they can control water like Percy and at the same time cast defensive spells. Another plot could be that they are sent on a mission to stop a threat that endangers both the wizarding world and the Camp Half - Blood. They have to use their combined knowledge and skills to succeed.
It would be really complex. Their parents would have to deal with two very different children. One is a demigod with powers and a connection to the Greek gods, and the other is a girl involved in the vampire - werewolf drama. There would be a lot of secrecy in the family, trying to hide Percy's demigod world from Bella's friends and vice versa.
For the Harry Potter characters, Ron would probably be a bit jealous of the twins' cool powers at first. But as he gets to know them, he would become friends. Snape would be highly suspicious and might even try to find a way to control them. In the Percy Jackson realm, the other demigods would have mixed reactions. Some would be in awe of their magic, while others would be worried that they might bring too much attention from the wizarding world. The twins would have to work hard to gain the trust of both sets of characters.
I don't know for sure, but it's likely that the twins would be main characters. And perhaps some of the well - known Percy Jackson characters like Percy himself, Annabeth, or Grover might also be involved in the story.