Often, they are highly intelligent. They need to be smart to come up with complex dueling strategies in the Yugioh universe. Another common trait is determination. For example, they may be determined to win a big tournament or to solve a mystery related to a powerful card. And they usually have a strong sense of justice, not tolerating any unfair play during duels.
A common trait is their connection to the existing Naruto lore. They might be related to a well - known clan in some way, or have a special bond with one of the main characters. Some female OCs are also known for their beauty, which can be both an advantage and a disadvantage in the Naruto universe. For instance, it can attract unwanted attention but also gain her allies. They are often intelligent too, using their wits to get out of tricky situations.
One evidence could be unique character backstories. For example, a female OC might have a backstory of growing up in a difficult family situation which shapes her in a way that adds depth to the Evan Hansen fanfiction. She could be an artist who uses her art as an escape, much like how Evan uses his letters.
One popular trope is the 'Mysterious Newcomer'. The female OC shows up out of nowhere, with a strange power or knowledge that intrigues Inuyasha and the gang. Another is the 'Tragic Past' trope. Maybe she lost her family to demons and is now on a journey of revenge. And there's also the 'Love Interest' trope, where she has feelings for Inuyasha or another character in the series.
Female OCs in Yu - Gi - Oh! Arc V fanfiction often bring fresh perspectives. They can be designed with unique decks and playstyles. For example, an OC might have a deck based on fairy - type cards, adding a new aesthetic to the duels in the story.
Often, they have unique physical features related to their faunus type. For example, cat - like faunus might have ears and a tail. They also tend to be strong - willed. Since faunus face discrimination in RWBY, female faunus OCs usually have to be tough to survive and prove themselves.
OCs in fanfiction are basically characters made up by the writer themselves. They can be used to give the story a unique flavor, create new relationships, or take the plot in unexpected directions. It's a way for the author to put their own creative stamp on the fanfic.
In Once Upon a Time fanfiction, a common trope for female OCs is the 'love interest' trope. She could be the love interest of a main character, like Hook or Charming. Then there's the 'mysterious stranger' trope. She arrives in Storybrooke or the Enchanted Forest with a mysterious past and unknown powers. Also, the 'redeemed villain' trope can be applied. Maybe she was once on the wrong side but then sees the error of her ways and joins the good guys in the fight against evil in the Once Upon a Time universe.
Well, without actually reading the specific fanfiction, it's hard to say exactly who the main OCs are. But generally, in a fanfiction related to 'The Pacifier', the main OCs could be new kids added to the family Wolfe is babysitting. They might have distinct personalities, like one could be a shy introvert, another an overly energetic extrovert.
First, think about their personalities and backgrounds. Make them unique and relatable. Then, come up with an interesting plot that challenges them and shows their growth.