A sense of isolation is sometimes a theme. Rouge may feel isolated as a vampire, different from her previous self and those around her. And Knuckles may also feel a sense of isolation in trying to deal with Rouge's situation on his own, without fully understanding the vampire world. This creates a complex emotional landscape in the fanfictions.
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.
One common theme could be the adjustment to the new situation. Both Rouge and Knuckles would need to adapt to the idea of becoming parents. Another theme might be the protection of the unborn child. Since they are often in a world full of action and danger in their original stories, this would be an important aspect.
Many of these fanfictions play with the idea of them being on opposite sides but finding common ground. They might start out as rivals or even enemies but gradually develop feelings for each other. The best ones also incorporate elements from the Sonic universe, like references to other characters or locations. For instance, they could meet in a hidden temple on Angel Island, which adds an extra layer of authenticity to the story. Another characteristic is the development of their relationship. It's not just about them falling in love immediately. It's a slow - burn process where they learn to trust and respect each other.
One common theme could be adventure. Given that Knuckles and Rouge are characters often involved in action - packed scenarios in the Sonic series, fanfictions might continue that trend. Another theme could be a sort of 'forbidden love' since they are from different 'groups' in the Sonic world.
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.
Well, if it's a fanfic about Rouge, Knuckles and Shadow during Halloween, it might explore their relationships in a different light. Since Halloween is a time of mystery, perhaps Rouge is on a mission to steal some valuable artifact that's only available on Halloween night. Knuckles could be guarding something related, and Shadow might be caught in the middle, with his own motives and secrets. It could be full of action, suspense and some light - hearted moments as they interact in this special setting.
I'm sorry, I don't have specific fanfiction stories to recommend directly. You can try searching on popular fanfiction platforms like Archive of Our Own or FanFiction.net. Just type in 'Rouge and Knuckles pregnant' in their search bars and you'll likely find relevant stories.