One common theme is the exploration of family. Since Miguel has his own family issues and Ernesto has his past family - like relationship with Hector, their interactions can often be used to explore family values.
Friendship is a very common theme. Many fanfics explore how Marco and Miguel become friends, what they do to maintain their friendship, and how it withstands various challenges.
The exploration of the afterlife itself is a theme. Miguel and Hector could go on adventures within the Land of the Dead, uncovering secrets and learning more about the nature of the afterlife together. This could involve meeting other spirits, solving mysteries, and growing closer as they do so.
Another theme is self - discovery. As they interact, both Miguel and Hiro often discover new aspects of themselves. For example, Miguel might find a new interest in technology through Hiro, and Hiro might become more street - savvy because of Miguel.
One common theme is family. Since family is such a big part of the Coco story, it often gets explored further in fanfics about Hector and Miguel. They might have adventures together that involve learning more about their family's past.
One great ernesto x miguel fanfic could be 'The Unlikely Bond'. It shows how Ernesto and Miguel gradually form a unique friendship. They start off as rivals in the story but then find common ground in their love for music.
Another theme is friendship. Since they start from a not - so - friendly situation, seeing them develop a true friendship is a popular concept. They learn about each other's values and dreams, which brings them closer.
One common theme is his struggle with identity. Given his complex character, many fanfics explore how he comes to terms with who he is. Another theme is his relationships, whether it be with friends, family or foes.
One common theme is friendship. Writers often explore how Sam and Miguel become friends and support each other through various situations.
Conflict is also a common theme. They might have different views on how to handle certain situations in their superhero world. This conflict can be both external, like facing a common enemy, or internal, like differences in their values or goals. And through these conflicts, their relationship either grows stronger or becomes more strained, which makes for an interesting read.
Teamwork is yet another theme. Writers like to show how Miles and Miguel, with their unique abilities, can work together to achieve a common goal. This could be anything from stopping a powerful villain to protecting a group of innocent people. In these fanfictions, their combined efforts are often greater than the sum of their parts.