One common theme is the struggle with their age difference. In many fanfictions, they have to deal with how society views their relationship due to Jeff being older. Another theme is their academic competitiveness translating into their relationship. For example, they might compete over who is smarter in a certain subject while also having romantic feelings for each other.
Common themes in Jeff x Annie fanfic include the struggle between Jeff's cynical view of relationships and Annie's more idealistic one. Many fanfics play with this contrast to create interesting storylines. The theme of second chances is also there, as Jeff might see Annie as a chance to have a real and meaningful relationship after his previous failed ones. Moreover, the idea of their different social circles and how they blend or clash within the context of their relationship is a recurring theme in these fanfics.
A lot of Jeff Annie fanfictions have the theme of friendship turning into love. They start as friends or colleagues in the show, and in the fanfictions, the writers like to show the slow burn of their feelings for each other. There are also themes related to their different personalities clashing and then finding harmony. Jeff is more cynical while Annie is more idealistic, and the stories show how they make it work.
One common theme is the age - gap relationship. Since there is an age difference between Annie and Jeff, many fanfics explore how they navigate this in their relationship.
The theme of friendship also pops up. Even though their relationship has romantic undertones, their friendship is still an important part. Fanfics might show how their friendship affects their romantic relationship and how they balance both.
One common theme is redemption. Jeff might have done some bad things in the past, and through his relationship with Liu, he tries to find a way to redeem himself. Another theme is brotherhood. Despite the difficulties, they often show a strong bond like brothers.
A third common theme is the psychological aspect. Writers like to play with the minds of these characters. How does Jeff's insanity interact with Slenderman's otherworldly presence? Fanfictions often explore this, looking at how their mental states affect their actions and their relationship with each other. There can be a lot of mind - games and power struggles within the stories.
One common theme is friendship. In many Jeff x Ben fanfictions, they start off as acquaintances or even enemies and then develop a deep friendship. Another theme is survival. Since they often exist in rather dangerous or strange settings, they have to work together to survive. For example, in some stories, they are in a world full of monsters and they rely on each other's skills.
One common theme is friendship. Despite their rather dark and spooky nature in the original concepts, fanfictions often explore a deeper bond between Jeff and Hoodie. Another theme could be adventure, where they go on some sort of journey together, whether it's in a haunted world or something else.
The theme of trust is quite common. Since they might come from different backgrounds or have had different experiences, building trust is crucial in their relationship in these fanfictions. Additionally, the theme of sacrifice often appears. They might have to sacrifice something for the sake of the other or for their relationship to survive. For instance, one might sacrifice a personal ambition to be with the other.
A common theme is the exploration of their psychological states. Given their rather dark and complex natures, many fanfictions dig into how they think and feel. Another theme is the idea of redemption or change. Some stories show one or both of them trying to move away from their more violent tendencies.