Who are the main characters often involved in 'bound to the family twilight fanfiction'?

Bella and Edward are often main characters in such fanfiction. Since their relationship is central in the original Twilight series, in fanfiction about sacrifices, they could be the ones making sacrifices for each other. For example, Edward might sacrifice his vampiric nature to give Bella a more 'normal' life if she so desires.

Some fanfictions might also involve the villains. Voldemort or his Death Eaters could be interested in the bound collar for their own evil purposes. They might try to steal it or use it against Harry and his friends, which would create a lot of conflict and action in the story.

Bella herself can also be part of these fanfictions in terms of how she reacts to the muscle growth of the male characters. Her perspective, whether it's admiration, fear, or something else, can add depth to the story. Also, sometimes in unique fanfictions, she might even have some form of power - related muscle growth herself.

Well, the main characters are usually the wolf pack members. In the Twilight context, that could include Sam Uley, who is often a leader - type figure in the pack. Jacob is also very likely to be involved as he has a major presence in the Twilight wolf pack storylines. As for the shared mate, it could be a human character, perhaps someone with a connection to the supernatural world in the Twilight universe. This character would be at the center of the complex relationships and story arcs involving the wolf pack's shared claim on them.

Obviously, Harry Potter himself is a main character. He is usually the one who discovers or is in search of the family grimoire. Hermione Granger is also often involved as she helps Harry decipher the complex spells and ancient writings in the grimoire. Ron Weasley may be there too, providing support and his unique brand of humor.

Obviously, Harry Potter himself is often at the center of it. His friends like Ron and Hermione might also be involved as they support him through the family drama.

Luna Lovegood could be one of the main characters. Her unique perspective on family and friendship could add an interesting dimension to the fanfiction. Neville Longbottom might also be involved. He has his own family story, and his growth and relationship with others could be explored in the context of family bonds. Additionally, Sirius Black could be a major character as he was like a father figure to Harry in some ways.

Alina is also frequently involved. Her connection to the Darkling in the original work makes her a natural addition in many fanfictions. Their complex relationship can be further explored or even rewritten in different ways in fanfiction.

Peter Parker and Tony Stark are the central characters. Then there's Rhodey, who is Tony's friend. In fanfiction, he can be like an uncle to Peter, showing him the ropes of the military side of things or just being there to offer advice. Morgan Stark, Tony's daughter in some storylines, can also be a big part. She and Peter can form a cute sibling - like relationship, with Peter looking out for her.

Ruby is often involved. Since she's the main protagonist in RWBY, it makes sense for her to interact with Nightcrawler in fanfictions. Their different powers and personalities can create interesting dynamics.