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.
Friendship is a very common theme. Wes and Kurt often support each other through the ups and downs in the Glee club. Another theme is self - discovery. As they interact, they learn more about themselves.
Friendship is a very common theme. Since they are both part of the glee club, many fanfictions will explore how they support each other through the ups and downs of high school life. Another common theme is their shared love for music. They might collaborate on a musical performance or help each other improve their singing skills.
Self - discovery is also a common theme. In these fanfictions, Kurt may be on a journey to find out more about himself, and Brad could play a role in that. For example, he might help Kurt overcome his insecurities. Also, the theme of competition within the Glee club can be seen, where Kurt and Brad have to compete with others or support each other against rivals.
Friendship is a very common theme. Most fanfictions explore how Sam and Kurt's friendship evolves over time, through good times and bad. For example, they might support each other during a difficult performance or a personal crisis.
One common theme is self - acceptance. Young Kurt often struggles with being different, so many fanfictions focus on his journey towards accepting himself. Another theme is friendship. His relationships with the other glee club members, like Mercedes and Blaine, are explored in terms of how they support and influence him.
One common theme is rivalry-turned -friendship. They often start off as rivals in the 'glee' world, but in fanfiction, they gradually become friends or more. Another theme is music, as both characters are very much into music in the show, so it often plays a big part in the fanfic.
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.
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.