A really interesting fanfiction is 'Cobblepot and Nygma: A New Beginning'. It explores what would happen if they decided to start fresh and work towards a common goal in Gotham, away from their usual power struggles. It has great character development and an engaging plot.
Fanfiction.net is also a place to check. There are often some interesting stories about their relationship there. However, the site's interface might be a bit less user - friendly compared to AO3. But it still has a lot of content if you are patient enough to search through the relevant categories.
There's a fanfiction called 'The Riddler and the Penguin' that focuses on their power struggle and underlying respect for each other. It has a lot of well - written dialogue that really brings their characters to life. In this story, they start off as rivals but gradually find common ground. The author does a great job of exploring their individual motives and how they mesh together.
In some fanfictions, there are also platonic pairings where they are seen as brothers - in - arms of sorts. They support each other in their criminal endeavors and protect one another from other threats in Gotham. This type of pairing focuses more on their loyalty and friendship rather than any romantic aspect.
Another could be a story where they start as rivals but gradually come to respect each other. For example, Edward might initially see Oswald as a brute, but as they interact more, he realizes Oswald has a complex personality and vice versa. They could then form a friendship that defies the expectations of others in Gotham's underworld.
Some Tumblr blogs are also dedicated to sharing fanfiction. Just search for the relevant tags like '#oswald cobblepot #edward nygma #fanfiction' and you might find some hidden gems written by fans who are really passionate about these characters.
Oswald Cobblepot x OC fanfiction can be really interesting. It allows fans to explore new relationships and storylines. Usually, the OC (Original Character) can bring a fresh perspective to Oswald's story. It might involve the OC getting involved in Oswald's criminal activities in Gotham, or perhaps being a force for his redemption. There could be a lot of drama, like the OC trying to understand Oswald's complex personality and motives.
One great 'Edward Nygma x Bruce Wayne' fanfiction is 'The Riddler's Redemption'. It delves deep into the complex relationship between the two characters. It shows how Edward's intelligence and Bruce's determination can both clash and complement each other. The story takes an interesting turn when they are forced to work together on a mystery in Gotham. The author does an amazing job of portraying their inner thoughts and the slow - building tension between them.
One great Edward Nygma fanfiction is 'The Riddler's Redemption'. It shows a different side of Nygma, exploring his journey towards self - discovery. Another interesting one could be 'Nygma's New Path' which delves into his attempts to use his intelligence for good instead of his usual criminal ways. There are also some fanfictions that focus on his relationships, like 'Edward and His Allies' which showcases his interactions with other characters in a more positive light.