Often, themes of self - discovery are present. As they interact, they might learn more about themselves. Also, themes of loyalty, as they support each other through different situations. The contrast between their different universes can also lead to themes of adaptation and understanding.
I'm not sure about specific 'tt robin x ttg robin fanfiction' works. But you can try searching on popular fanfiction websites like Archive of Our Own or FanFiction.net. They usually have a wide range of fanfictions and you might be able to find some interesting ones there.
In a Christmas robin story, the robin is often seen as a symbol of hope. Its bright red breast stands out in the cold, white winter, much like a glimmer of hope in difficult times. Just as Christmas is a time of hope for many, the robin represents that positive aspect.
In such 'fire emblem robin x robin fanfiction', it often creates a very different narrative compared to the original game. The relationship between the two Robins can open up new plotlines. It could be about how they support each other in battles or in strategic decision - making. Maybe it shows a side of Robin that was not fully explored in the game, like their ability to rely on a version of themselves. This kind of fanfiction can also attract readers who are interested in seeing alternative character developments and relationships that are not part of the main game storyline.
In many Batman and Robin fanfictions where Robin is injured, it often leads to Batman becoming more determined to catch the villain. For example, in some stories, Robin gets injured during a fight with a new, powerful enemy in Gotham. Batman then uses his detective skills to track down the bad guy while also taking care of Robin. He might call in Alfred for help with Robin's injuries. This kind of situation shows the deep bond between Batman and Robin and how they rely on each other in tough times.
Robin would probably be both scared and angry. He's a brave kid, but facing the Joker alone is no small feat. He might initially try to fight back if he has the chance.
It could be Nightwing. He was once Robin himself and has a special connection to the current Robin. Nightwing might hear about the kidnapping and step in to save Robin, using his own unique fighting style and experience.
Nightwing could also be a likely savior. He was once Robin himself and has a strong bond with the current Robin. He might take it upon himself to rescue Robin, using his own unique fighting style and experience to outwit the Joker. Plus, he has his own network of contacts in Gotham that could help in the search.
You can try Archive of Our Own (AO3). It has a large collection of fanfictions, including many 'Robin x Robin' ones. Just use the search bar and type in 'Robin x Robin' and you'll get a bunch of results.