Well, Dr. Wells could be an important character. He might have some knowledge or secrets that are relevant to the story of Barry and Caitlin. His presence could add a sense of mystery and also some conflict. Another option is Killer Frost. If Caitlin is struggling with her alter - ego, it could be a major plot point and Killer Frost could interact with Barry in unique ways.
One character that would be interesting to include is Firestorm. He could be involved in a mission with Barry and Caitlin. His powers and his relationship with the other characters could create some exciting storylines. Also, Joe could be in the fanfic. As Barry's father figure, he could offer advice to Barry about his relationship with Caitlin.
There are many great authors in this area. One popular one might be someone who goes by the name 'FlashFan123'. Their works often have really in - depth characterizations of Barry and Caitlin.
The main characters are clearly Barry and Caitlin. Barry is likely a heroic figure, perhaps with super - speed or other powers. Caitlin is probably a smart and capable scientist. Their relationship, which leads to the kiss, is central to the fanfiction.
One common theme is friendship. Many fanfics explore how Caitlin and Barry's friendship develops over time, especially considering their different personalities and abilities. Their friendship is often a source of strength for both of them.
Their friends could include Cisco. He would be super excited for them and might use his engineering skills to create some cool baby gadgets. Iris could also be a great friend, giving Caitlin advice on pregnancy based on her own experiences or knowledge. And then there's Dr. Wells, who could offer his scientific expertise in case there are any complications during the pregnancy.
In this fanfic, Caitlin and Barry could be living in a world where their relationship has developed secretly. When Caitlin finds out she's pregnant, they have to decide whether to keep it a secret or tell their friends. They might be afraid of how their friends will react, especially considering their superhero lives. However, as time passes, they start to see the pregnancy as a new chapter in their lives. Caitlin starts to experience all the joys and difficulties of pregnancy, like morning sickness and cravings. Barry tries his best to be there for her, taking time off from his superhero duties to take care of her. They also start to plan for the future of their family, thinking about how to raise their child in a world full of danger and yet also full of love and friendship.
Character development is key. If the fanfic shows how Barry and Caitlin grow both as individuals and in their relationship, it can be very engaging. For example, if Barry overcomes his fear of losing his powers permanently while Caitlin learns to open up more about her emotions. Their journey together, with all the ups and downs, keeps the readers interested.
In 'Caitlin and Barry Lemon fanfic', the theme of sacrifice is often seen. They might have to sacrifice something, like their own safety or a personal goal, for the sake of the other or for the greater good of Central City. Additionally, the theme of growth is prevalent. Their characters grow both individually and in their relationship as they face various challenges and overcome them together.
There is a fanfic called 'Caitlin's Discovery about Barry'. In this, Caitlin uncovers a hidden side of Barry that no one else knew. It's a great exploration of their characters. You can also check out 'Barry and Caitlin: A New Beginning' which gives a fresh take on their relationship, starting from a different point in the story.
Often, such a fanfic would involve their relationship development as a married couple. It may start with their wedding day, showing all the emotions and the reactions of their friends like Cisco and Iris. Then it could move on to how they combine their lives, perhaps they move into a new house together. There might be parts where they argue over small things, like Barry leaving his Flash suit all over the place, which shows a more realistic side of their relationship. And of course, there would be moments of great love and affection, like surprise date nights or just cuddling on the couch after a long day.
Yes, there are likely fanfictions out there with such a plot. 'The Flash' has a large and creative fanfiction community, and the idea of Barry and Caitlin having a pregnancy could be an interesting exploration of their relationship in the fan - created stories.