One common theme could be friendship evolving into something more. Since Kurt and Puck are from different 'cliques' in Glee, their relationship development can be an interesting theme.
Often, there might be themes of acceptance. Puck has his own rough - around - the - edges personality and Kurt is more refined. Their relationship could explore how they accept each other's differences. Another theme could be self - discovery. As they get closer, they might learn new things about themselves. Also, themes of loyalty within their relationship could be explored, like how they stand by each other in the face of difficulties at school or within the Glee club.
You can try searching on fanfiction - specific websites like FanFiction.net or Archive of Our Own (AO3). Just use the relevant tags such as 'glee', 'kurt', and 'puck' to narrow down your search.
One common theme is family. Since they are dealing with a baby, it often involves themes of creating a new family unit or adjusting to the idea of being a family. Another is friendship, as their friends in the Glee club play a role in their journey with Baby Beth.
There could also be a theme of self - discovery through bashing. Perhaps the characters are forced to re - evaluate themselves when they are the targets of bashing in the fanfiction. They might realize their own flaws or the areas where they need to grow as a result of the negative interactions.
One common theme is friendship. Since they are both part of the Glee club, stories often explore how they become closer friends or how they support each other through different challenges in the club. For example, they might help each other with song selections for competitions.
One common theme is their relationship development. Writers often explore how Kurt and Adam get to know each other better, their first dates, and how they overcome any obstacles in their relationship.
One common theme is friendship. Given the nature of the Glee characters, stories often explore the deepening bond between Kurt and Mile. Another is self - discovery. They both go through a lot of growth in the show, and fanfictions like to continue that journey.
One common theme is friendship. Sam and Kurt often support each other through difficult times in fanfiction. Another theme is their shared love for music. They bond over their musical talents and interests. And of course, the theme of acceptance is also there, as they both deal with being different in high school.
One common theme is Kurt's struggle to find his place in the school environment. Since he's bullied, he often has to deal with self - doubt and trying to fit in while being true to himself. Another theme could be his relationships with other characters, like how they react to his being bullied and whether they support him or not.
Friendship is a very common theme. Since Kurt and Mike are both part of the Glee club, many fanfictions explore how they form a strong bond as friends, supporting each other through various challenges in the club and in school. Another common theme is their passion for music. They both love music and often in fanfictions, they collaborate on musical projects or help each other improve their skills.
Another theme is ambition. Both Kurt and Rachel were highly ambitious in the show. In fanfictions, their drive to succeed in the music and theater world is often a central part of the story. For example, they might compete against each other in auditions while still remaining friends.