Voldemort could be an antagonist. Even if Tom is a character in the marriage contract, Voldemort's ideology and his followers might oppose the union as it could potentially change the power dynamics in the wizarding world that they are trying to control.
The pure - blood supremacist families could be the main antagonists. They might see the marriage between Harry and Tom as a threat to their long - held beliefs about blood purity. They could try to stop the marriage contract from being fulfilled by any means necessary, including using dark magic or spreading false rumors.
The Ministry of Magic could be an antagonist in this fanfiction. They might be worried about the implications of such a marriage on the wizarding society. They could try to interfere with the contract, fearing that it could lead to unrest or a change in the established magical order. For example, they might try to arrest Harry or Tom under false pretenses to prevent the marriage from taking place.
Well, it could be an old enemy of Harry's who doesn't want to see him happy in this new relationship. Maybe a dark wizard who wants to disrupt the peace that the marriage might bring. Another option is a jealous rival of Susan's. Someone who had feelings for her before and now is enraged that she's in a marriage contract with Harry.
Voldemort could be an antagonist if he somehow returns and sees the baby as a threat or a symbol of a new hope that he wants to destroy. He might target the baby to get back at Harry and Tom.
One possible plot twist could be that the marriage contract was actually a ploy by an enemy to divide their wizarding families. Maybe the terms of the contract were misinterpreted at first, and as they start to fulfill it, they discover hidden clauses that put them in a difficult situation.
It could be someone who wants to break their marriage contract for personal gain. Maybe a jealous ex - lover of Harry who doesn't want to see him with Tracey. This person could try to create misunderstandings between them and spread false rumors.
The pure - blood family that arranged the marriage contract could be the main antagonist. They might have a lot to lose in terms of status, power, or wealth if the contract is broken. So, they would do everything in their power to force Harry to uphold it, even using dark magic or underhanded tactics.
The Ministry of Magic could be the antagonists. Since Harry is in a gang, they might see him as a threat to the order of the wizarding world. They could send Aurors after him and his gang mates, trying to arrest them and break up the gang.
The main characters are obviously Harry Potter and Cho Chang. Harry is the famous wizard who defeated Voldemort, and Cho is his classmate who he had a bit of a romantic history with in the original books.
Well, of course it's Harry and Hermione. Harry, who has a destiny to fulfill in the wizarding world and Hermione, who supports him throughout their adventures. In the context of the marriage contract fanfiction, they are at the center of the story, with their relationship being the main focus. Their personalities, which are well - established in the original series, play a huge role in how they interact with each other in this new situation of the marriage contract.
The main characters are Harry Potter and Draco Malfoy, of course. Harry is the famous 'Chosen One' who has fought against Voldemort. Draco is from a pure - blood wizarding family, and has often been in conflict with Harry at Hogwarts.
Well, obviously Harry Potter is one of the main characters. He is the famous wizard who defeated Voldemort and is now thrust into this unexpected situation of a marriage contract.