One common theme is the struggle for power. Female Uchiha characters often have to fight against the male - dominated hierarchy within the clan to gain recognition and power. For example, they might be overlooked for important training or leadership positions just because of their gender.
Family and loyalty are also common themes. The Uchiha clan has a strong sense of family bonds. In fanfiction, female Uchiha characters are often depicted as being fiercely loyal to their families, but also having to make difficult choices between their clan's wishes and their own beliefs. This can lead to a lot of internal conflict and drama in the story.
One common theme is the exploration of gender differences. Since Sasuke is a male in the original, in these fanfictions, a female Sasuke might face different expectations in the ninja world. Another theme is relationships. A female Sasuke could have different types of relationships with characters like Naruto or Sakura. For instance, a more sister - like bond with Naruto instead of a rival - like one.
Love and relationships are another set of common themes. Fanfiction writers often explore how female Madara's relationships, whether it's with her clan members, friends, or rivals, are different from the male version. Her romantic relationships, if any, are also explored in a new context, like her potential relationship with Hashirama taking on a different dynamic due to her being female.
One common theme is the exploration of gender - role reversal. Since Itachi is male in the original, seeing how a female version would handle the same situations adds a new dimension. Another theme is relationships. Female Itachi's relationships with family, especially Sasuke, can be different. For example, it might be more nurturing in some fanfictions. Also, the theme of power and how a female Itachi would use and develop her powers is often explored.
One common theme is empowerment. Female characters in these fanfictions often strive to break free from the limitations placed on them in the original Naruto universe. For example, they might fight against the patriarchal structure of the Uchiha clan.
One common theme is survival. Since she is the last female Uchiha, she has to fight to stay alive in a world that may be hostile towards her clan. Another theme is revenge, as she might seek to avenge the fall of her clan.
One common theme is power and its consequences. A female Uchiha OC often has to deal with the power of the Sharingan, whether it's learning to control it or facing the jealousy of others because of it.
One common theme is the struggle with power. Since the Uchiha are known for their powerful Sharingan eyes, Harry having those powers might face the same inner turmoil as the Uchiha in Naruto when it comes to using and controlling their power.
One common theme could be Sakura trying to fit into the Uchiha clan's culture. Another might be her developing relationships with Uchiha characters in a new way, like a deeper friendship or a romantic relationship with an Uchiha.
Revenge is also a frequent theme. Given the Uchiha's history in the Naruto series, an oc Uchiha in fanfiction might be on a quest for revenge against those who wronged the clan. This can lead to complex storylines where the character has to decide how far they are willing to go to get revenge and what the cost might be.
One common theme is power acquisition. Since the Uchiha are known for their powerful Sharingan and other abilities, Naruto might gain these powers in the fanfiction. Another theme could be family. If Naruto is an Uchiha, it changes his family dynamics completely.