His colleagues from the BAU, such as Hotch, Morgan, Prentiss, etc., are also common characters. They might play a role in how Reid deals with the revelations about his adoption. For example, Morgan could be the one who gives Reid some tough - love advice when he's struggling with identity issues related to his adoption.
Obviously, Spencer Reid himself is the central character. His adoptive parents are likely to be important characters as well. They could be portrayed in different ways, like being very supportive or having some secrets of their own.
One possible plotline could be Reid's journey in discovering his birth family while still maintaining a strong bond with his adoptive family. It might involve him uncovering secrets about his past that change his perspective on life.
In fan fiction, sometimes the writer wants to create a more angsty plot. So they make Spencer Reid be cheated on. It could be that the cheater is attracted to someone else who seems more 'normal' or less involved in dangerous work like Spencer. Or perhaps the relationship has become too intense for the other person, and they seek an escape through cheating.
Spencer Reid in Season 15 of fanfic often shows his continued growth and development. His character's high IQ and complex personality traits remain central. Writers might explore his relationships within the BAU more deeply, perhaps his interactions with new team members or how he copes with new challenges in cases.
A common theme could be the exploration of their different personalities. Spencer Reid is often portrayed as highly intelligent and a bit socially awkward, while Eliot Spencer is more of a tough, action - oriented type. So, fanfics might focus on how they interact and learn from each other.
Well, it can have a huge impact. It often adds a lot of drama. The character of Spencer Reid might become more withdrawn or start to question his self - worth. It can also lead to new relationships as he tries to move on.
One common theme is the development of a special relationship. The OC often forms a deep bond with Reid, whether it's a friendship or something more romantic. For example, in many fics, the OC helps Reid through his personal struggles.
Love and acceptance are also common themes. Since Reid is a bit of an outsider in the show, fanfics might show how the reader character accepts him completely and they fall in love. There's also the theme of Reid's past traumas and how the reader helps him heal. For example, in some fanfics, the reader is there for Reid when he has nightmares about his mother's illness.
One common theme is his vulnerability. Reid is often portrayed as a brilliant but fragile character in these fanfictions. Another theme is the impact of his past traumas. His childhood and previous cases' experiences resurface to haunt him. For example, in many fanfictions, his time in prison or being kidnapped can be a recurring element.
One common theme is the struggle to balance work and family. Since Reid has such an intense job at the BAU, in these fanfictions, his married life often involves trying to be there for his family while also being away for long periods on cases.
One common theme is Reid's intellectual superiority. Fanfictions often highlight how his genius mind sets him apart from others. For example, in many stories, he's the one who cracks the most difficult parts of a case.