One common theme is friendship turned into something more. Since Sonic and Knuckles start as friends or rivals in the original series, the fanfiction often explores how that relationship could evolve into a romantic one.
Another theme is the struggle with their identities. Sonic and Knuckles are iconic characters with their own identities in the Sonic universe. In the yaoi fanfiction, they often have to deal with how this new romantic relationship affects their individual identities as heroes or protectors of their respective areas. They might question how their friends and allies will view them, and this adds an interesting layer of conflict to the stories.
One common theme is adventure. Since Sonic, Rouge, and Knuckles are all characters associated with action and exploration, many fanfictions focus on them going on quests or facing new challenges. For example, they might be looking for a lost relic or trying to stop an evil force from taking over their world.
One common theme could be the exploration of their complex relationship. Given their different personalities in the original source, fanfiction might focus on how they interact and develop feelings for each other.
One common theme is friendship. Sonic and Knuckles have a complex relationship, and many fanfics explore how they become closer friends or overcome their differences. Another theme is adventure. They often go on quests together to save their world or discover something new.
Adventure is also a big theme. They go on quests to different places, like exploring lost temples or far - off lands. These adventures usually involve solving puzzles and fighting bad guys. In 'Sonic's Jungle Adventure' fanfiction, they explore a dangerous jungle full of traps and strange creatures.
There are several common themes in Sonic x Shadow yaoi fanfiction. Firstly, the power dynamic between them is often explored. Sonic is fast and agile, while Shadow has his own unique powers. How they balance this in a relationship can be an interesting theme. Also, the theme of trust is prevalent. Since they start off as more rivals or at least not close friends, building trust in a romantic context can be a major part of the stories. Additionally, the theme of sacrifice might come up, as they may be willing to sacrifice for each other's well - being in the fan - created scenarios.
You can try some popular fanfiction websites like Archive of Our Own (AO3). There are often a large number of fan - made stories in various categories, including 'knuckles x sonic' ones.
A common theme is the clash of their personalities. Rouge is sly and often self - interested while Knuckles is noble and duty - bound. Their relationship development is also a big theme, whether it's friendship or something more romantic.
A common theme is adventure. Since they both exist in a world full of action, many fanfictions will have them go on quests together. Another theme is friendship - building, which could potentially lead to a romantic relationship. There's also the theme of overcoming differences, whether it's in their beliefs or their ways of doing things.
A common theme is the exploration of their cultural differences. Tikal has her ancient echidna heritage and Knuckles has his own modern - day guardian role. Their relationship can be used to show how these two different aspects of echidna culture interact.
Teamwork is also prevalent. Fanfictions often depict them working together to defeat a common enemy. They combine their unique skills, like Tails' flying and technical skills with Knuckles' combat and guarding abilities. This teamwork not only helps them in their battles but also cements their relationship further.