One common theme is the 'opposites attract' idea. Since Cody and Heather seem quite different in their personalities, fanfics often explore how they can come together despite those differences. For example, Cody's more goofy and naive nature might be contrasted with Heather's more cunning and calculating side.
Romance is also a prevalent theme. Writers might explore how a relationship between them could develop, with all the typical romantic elements like first dates, misunderstandings, and reconciliations.
Another theme is friendship and its evolution into something more. Many 'hiccup x heather fanfic' stories start with them as friends or allies and then gradually develop their relationship into a romantic one. It shows how their mutual respect and shared experiences bring them closer. For example, they might start by working together to defeat a common enemy and then realize their feelings for each other as they spend more time together.
One frequent theme is betrayal. Given their somewhat devious natures in their original context, fanfics might explore scenarios where one betrays the other for personal gain. Also, redemption can be a theme, where they try to overcome their past wrongdoings in relation to each other. There is also the theme of competition, as they both strive to be the best in whatever situation the fanfic presents.
Friendship is a very common theme. Since they are both characters from Total Drama, many fanfics explore how their friendship started and developed over time. Another theme is rivalry, as they sometimes compete in the show and fanfics can play with that aspect.
Adventure is also a big theme. They go on all kinds of adventures together, whether it's exploring a mysterious place or getting involved in a wild event. This gives the writers a chance to show their different personalities in action.
Common themes in 'rdr2 sadie x heather fanfic' are often centered around the relationship between the two characters. One such theme is the growth of their bond. As they interact more, their relationship could deepen, and this can be explored in many ways in fanfic. Another theme is survival. In the harsh world of Red Dead Redemption 2, they have to fight for survival, and fanfic might show how they rely on each other for that. Additionally, themes of hope and new beginnings can also be present. Maybe they find a new purpose or a new way of life together, and this is a great opportunity for fanfic writers to show their creativity in depicting how these two characters' lives change and develop in relation to each other.
You can try looking on some popular fanfiction websites like Archive of Our Own (AO3). It has a large collection of fanfics from various fandoms, including ones for Cody and Heather. Just search for 'Cody x Heather' in the search bar and you'll likely find a good number of stories.
Friendship is a very common theme. Their different characters coming together to form a strong bond. For example, Cody's more outgoing and flirty nature and Noah's more reserved and intellectual side. They balance each other out in many fanfics.
Love - hate relationships are also common. They have a very complex dynamic which can be both antagonistic and affectionate at the same time. Fanfics play around with this a lot, showing the push - and - pull between them, and how they gradually move towards a more stable and positive relationship.
One popular theme is the exploration of their relationship in different universes. For example, in a modern AU (Alternate Universe), they might meet in a college setting and develop a relationship from there. Another theme is the redemption of Heather. Writers often explore how Veronica can help Heather become a better person and how their relationship evolves during this process.