You can start by looking on fanfiction websites like FanFiction.net or Archive of Our Own. Use the search function and type in 'Dexter OC'. Then, read the summaries and reviews to determine which ones might be the best.
One popular Dexter OC fanfiction could be about an original character who is a forensic expert from another city and comes to work with Dexter. They start to suspect his secret activities in a very different way compared to the regular characters in the show.
A really engaging Dexter x Doakes fanfiction is 'The Bond That Wasn't'. It imagines a world where Dexter and Doakes form an unspoken bond before the events of the show. The author does a great job of showing their initial animosity slowly turning into something more complex. There's also 'In Doakes' Shadow' which focuses on how Dexter views Doakes from a different perspective, adding new layers to their relationship.
A popular one is 'The OC in Dexter's World'. This fanfiction weaves an interesting story around the original character. It explores how the OC impacts Dexter's life and his 'dark passenger'. It has some really intense and thrilling moments that keep readers hooked.
First, create a unique original character. Think about their personality, background, and what makes them different. For example, you could make them a hacker who stumbles upon some of Dexter's activities online.
One good dexter oc fanfic could be 'The New Neighbor in Dexter's World'. It might introduce an original character who has a unique connection to Dexter's dark secret. Another could be 'Dexter and the Mysterious OC', which might focus on how an original character disrupts Dexter's normal routine.
First, come up with a unique original character. Think about their backstory, like where they're from and what their motives are. Then, consider how they'll fit into Dexter's world. For example, will they be a friend, a foe, or something in between? Next, plan out the plot. Maybe your OC discovers Dexter's secret early on and has to decide what to do.
One common theme is family loyalty. Despite Dexter's secrets, Debra often shows loyalty to him as her brother. Another theme is secrecy. Dexter has to keep his true self hidden from Debra, which creates a lot of tension in the fanfiction.
Some Dexter fanfiction stories that are well - liked include those that give Dexter a more heroic role. For example, 'Dexter: The Avenger' where he uses his skills not just for his own needs but to protect the innocent in a more direct way. Then there are stories that change the timeline, like 'Dexter: Rewritten Beginnings' which might start his story from a different point and lead to a whole new set of adventures and character developments.
Some fanfictions might focus on alternative universes where their relationship takes a different turn. For example, what if Debra was more accepting of Dexter's 'hobby' from the start? Or what if Dexter was more open with Debra? These 'what - if' scenarios can lead to very different storylines. There could also be themes related to protecting each other, especially when outside forces threaten their relationship or their lives, as they are both in a rather dangerous world in the Dexter universe.