A Bat Family OC fanfiction could focus on an OC who is an artist. They use their art as a form of communication and also as a way to leave clues for the Bat Family. This OC might be in the middle of a mystery that involves some of Gotham's art underworld. The Bat Family has to figure out how this OC fits into the bigger picture. It could also be an OC who is a street kid that Batman takes under his wing. This kid has a natural talent for acrobatics and stealth, and slowly becomes an important part of the Bat Family.
One idea could be a crossover where the Bat family teams up with the Teen Titans. They could combine their skills to take on a powerful new villain that neither group could defeat alone. For example, Batman's detective skills and Robin's agility along with the Titans' unique powers would make for an exciting story.
One idea could be exploring the relationship between Batman and Robin in a different light. Maybe Robin has to take on Batman's role temporarily when Batman is injured. Another idea is a story about Batgirl's early days of training and how she overcame difficulties.
One idea could be that the bat family encounters a supernatural force that gives them new powers. For example, they might come across a magical amulet that allows them to fly without their gadgets for a short time.
A third idea is to have a time - travel plot where members of the Bat Family in Young Justice go back in time to a crucial moment in Batman's early days as a vigilante. They could witness events that shaped Batman into the hero he is and learn valuable lessons from it. Along the way, they might also accidentally change something in the past, creating a whole new set of challenges to fix in the present.
One idea could be that the Bat family is investigating a strange series of crimes in Gotham. Meanwhile, the Young Justice team stumbles upon a lead that takes them to Gotham as well. They initially clash due to different methods of operation. Batman tries to keep his family in line while also dealing with the young, headstrong heroes of Young Justice.
One idea could be creating an OC who is a new neighbor in Quahog. This OC could have a really strange hobby like collecting antique doorknobs. They could get involved in the Griffin family's chaos, for example, when Peter tries to borrow a doorknob for some wacky project. Another idea is an OC who is a foreign exchange student at Chris's school. This OC could introduce new cultural elements to the show's typical American setting, leading to funny misunderstandings.
Well, you could have an OC that is an aspiring artist in 'the proud family oc fanfiction'. This OC could team up with Penny to create a huge mural in the neighborhood, facing challenges like getting permission from the local council and dealing with vandals. Also, an OC who is a tech - genius and helps the Proud family upgrade their home with all sorts of cool gadgets. Maybe there's an OC that has the power to communicate with animals and uses this ability to solve problems in the Proud family's neighborhood.
Some interesting concepts in bat family fanfiction involve exploring the backstories of the less - known members. For instance, delving deeper into the story of Batgirl and how she came to be part of the family. There are also fanfictions that focus on the family's vacations or downtime, which is a fun way to show a different side of these usually serious crime - fighters. It gives a more human touch to the Bat family.
A possible plot is that Thomas Wayne is resurrected and finds the Bat Family. He has to come to terms with how far Bruce has gone in his fight against crime. Maybe he joins the Bat Family temporarily to take on a new and dangerous threat in Gotham. He could also have some interesting interactions with characters like Alfred, sharing stories from the past and giving new insights into the Wayne family history.
The little bat could discover a hidden cave filled with ancient bat artifacts. It then has to protect this cave from other animals who might want to take over or destroy it. This could involve making alliances with other bats and using its wits to outsmart the invaders.