One common theme is identity. Since it's a gender - swapped version of John Sheppard, exploring how this new identity fits into the existing SGA world is often explored. For example, how she interacts with the team members who knew the male John Sheppard.
There's also 'A Different Perspective'. This fanfic delves into how a female John Sheppard might handle the various challenges on Atlantis. It has great character development and some unique plot twists that make it stand out among other fanfics in the SGA fandom. The author really captures the essence of the SGA world while giving a fresh view with the gender - swapped John Sheppard.
A common theme is friendship - turned - more. They start as comrades or acquaintances and then develop deeper feelings. Another theme could be sacrifice, where one of them is willing to put themselves in danger for the other.
Many Hurt John Sheppard fanfictions also explore the theme of isolation. Sometimes, even though he has friends, John can feel alone in his pain. This is often shown through his internal monologues and his struggle to open up to others. It makes the story more complex and interesting.
Another common theme is the development of their relationship. It could be a romantic relationship or a strong friendship. Writers like to explore how these two characters, with their different personalities, come to rely on each other. In many stories, they start out as strangers or even at odds, but gradually grow closer through shared experiences.
One common theme is the clash of different cultures. The Sentinel has its own set of norms and the SGA universe has a whole different set with the various alien cultures in the Pegasus Galaxy. Another theme is the exploration of new powers. The Sentinel's powers in the context of SGA's advanced technology and alien threats can lead to some interesting storylines.
One popular theme is the slow - burn romance. Given their positions in Stargate Atlantis, they have to be professional first, so many fanfics explore how their feelings develop gradually over time. Another theme is adventure - based romance, where they go on missions together and their relationship deepens during those dangerous situations. And of course, there are also some fics that deal with the 'what - ifs', like what if they had confessed their feelings earlier or if they had to deal with a different kind of threat to their relationship.
Friendship is a very common theme. Their bond and how they support each other through different situations is often explored.
One of the themes that often pops up is growth. Both John and Vriska can grow as characters through their interactions in the fanfics. Also, friendship or something more than friendship is a big theme. They start from different places, but in the fanfics, they might come to understand and care for each other in new ways.
One common theme is friendship. Many fanfics explore John Mactavish's friendships and how they shape his character. Another theme is self - discovery. Since he is often depicted in different situations, he has to learn more about himself.
One common theme is friendship. They often explore the deep bond between Dave and John as friends and how it develops over time.