You can try searching on fanfiction websites like Archive of Our Own. It has a large collection of various fanfics, and you might be able to find some great 'david x simon' ones there.
Some 'david x simon fanfic' might focus on their relationship development. It could start with them as acquaintances and gradually show how they become close friends. Maybe there's a moment when one of them saves the other from a difficult situation, which deepens their bond.
Another theme is growth. In many fanfictions, they both grow as individuals while also growing closer to each other. For example, they might learn new skills or overcome personal fears with the help of their relationship. It's really interesting to see how their characters develop in relation to each other.
Well, 'Journey of Simon and David' is also a good one. It starts with an interesting premise where they meet under unexpected circumstances and then shows their relationship evolving in a very natural way.
Often, these fanfics explore the deep bond between Kamina and Simon. It could be about their adventures together, with a lot of action and the signature over - the - top spirit of Gurren Lagann.
One key element is usually the development of their relationship. It could start from being strangers or acquaintances and then grow into something deeper. For example, in some fanfics, they might start off as classmates who gradually discover they have feelings for each other.
A common theme is friendship. Writers often explore how Simon and Milo's friendship grows and endures through various challenges. Another theme could be self - discovery, as they might learn more about themselves while being together.
Another theme is the fight for freedom. They are both part of a struggle in their story. Fanfics often show them coming together to fight for the rights of their kind. They use their unique abilities and their bond to strive for a better future.
One idea could be a story where David Walliams and Simon Cowell team up for a charity talent show. They start off not getting along well because of their different personalities. Walliams is all about fun and inclusivity while Cowell is more focused on the commercial success. But as the story progresses, they learn from each other and create a really successful and heart - warming event that changes the lives of many contestants.
Fanfiction.net is also a good place to look. There are many users who contribute different types of fanfics, including those about Alvin and Simon. Just use the search function and type in 'alvin x simon' to see what pops up.