Another theme is redemption. Raphael might have a dark past, and Simon's more innocent presence can lead to Raphael seeking redemption. It's like Simon represents a chance for Raphael to be a better version of himself.
One common theme is identity. Simon becoming a vampire changes a lot for him, and many fanfictions explore how he comes to terms with this new identity. Another theme is love and relationships. His relationships with other characters, especially romantic ones, are often explored.
In some fanfics, Simon and Clary's love is a slow - burn type. They start as friends, but as they fight side by side against demons, they gradually realize their feelings are more than just friendship. For example, there could be a scene where Simon saves Clary from a particularly powerful demon, and in that moment of relief and gratitude, they share a kiss that changes everything between them.
People write it because they like the idea of these two characters together. They might see a chemistry between Simon and Raphael in the original source material and want to explore their relationship further in a married context.
There could be a fanfiction where Simon and Raphael's married life is a secret at first. In this story, they would have to hide their relationship from the other vampires and Downworlders. It would be full of suspense as they try to keep their love a secret while still being true to each other.
Well, 'The Meeting of Hearts' is another one. It begins with a chance encounter between Simon and Raphael. As the story progresses, we see how their personalities clash and mesh. Simon's sense of humor and Raphael's stoicism make for some humorous and touching moments. The author does a great job of building their relationship step by step.
One really good 'Shadowhunters vampire Simon fanfiction' that I've come across is one that delves deep into Simon's internal conflict. He's a vampire, but he still has his human side and the values he held as a human. This story shows how he tries to balance his new vampiric nature with his old self. It also has some great interactions with the other Shadowhunters characters, like Clary. The author does a wonderful job of portraying Simon's complex emotions and the challenges he faces in this new life.
Another scenario could be that Clary has to choose between her duties as a Shadowhunter and her love for Simon. She loves the Shadowhunter world and wants to protect it, but she also loves Simon deeply. In the fanfic, she might find a way to balance both, which is a great exploration of their love.
Given the phrase 'simon eyes a christmas story', Simon is just a name. He could be anyone. He might be a student who has been assigned to study Christmas stories. He could also be a local in a small town where Christmas stories are a big part of the community's heritage and he's showing his interest in one such story. Without more context, it's impossible to say for sure.
Since we have little information, Simon in the 'simon eyes christmas story' could be a fictional character created to tell a story about Christmas. He might be a child full of wonder and excitement for the holiday season, or an older person who has a different view on Christmas traditions.