Think about his past experiences. If he had a difficult childhood, like being bullied, it could make him either shy and reserved or determined to be strong and not let others push him around. You can use these past traumas or happy memories to build a complex and relatable personality. For example, he might be overly protective of those he cares about because he knows what it's like to be hurt.
Base his personality on a strong belief system. Maybe he firmly believes in justice and will go to great lengths to ensure fairness. So when he encounters the Shadows and the dark events in the story, he'll be the one to advocate for doing the right thing, even if it's difficult. His moral compass will be a key part of his personality.
First, consider giving him a clear goal or motivation. For example, if he wants to gain power within the vampire hierarchy, it will shape his actions and decisions. Also, think about his past experiences. If he had a traumatic event in his past, like losing a loved one to a vampire hunter, it could make him more guarded or vengeful. His values are important too. If he values loyalty above all else, he'll act differently than a character who values freedom more.
Think about their past experiences. If they had a traumatic event in their past, like losing their family in a shinobi war, it can shape their personality. They might be cold and distant as a result, or they could be overly protective of those they consider friends in the Akatsuki. You can also show their personality through their interactions with other Akatsuki members. Are they submissive, dominant, or more of a mediator? For instance, if your OC is always trying to stop arguments between members like Deidara and Sasori, it shows they have a peace - loving side.
First, give him a distinct personality. For example, he could be really sarcastic or overly optimistic. Then, think about his backstory. Maybe he grew up in a place far from the normal demigod haunts. His powers should also be unique, not just a copy of the existing characters' powers.
First, consider her backstory. If she grew up in a difficult situation, like losing her family at a young age, it could shape her into a tough and independent character. Her relationships with other characters are also important. If she constantly challenges Simba's leadership in a respectful way, it shows she's confident. You can also show her personality through her actions. For instance, if she's the first to volunteer for a dangerous mission to save the pride, it shows her courage. And don't forget about her sense of humor. A lioness who can crack jokes even in tough situations can be really endearing.
First, decide on her main motivation. For example, if she's driven by a desire for knowledge, she might be constantly seen reading books in the library or asking the smartest characters lots of questions. This will make her seem inquisitive and determined.
First, give him a distinct personality. Decide if he's introverted or extroverted, optimistic or cynical. For example, if he's a cynical loner, it'll affect how he interacts with the other characters. Then, create a backstory. Maybe he had a tough childhood in a different town, which made him the way he is. This backstory can be gradually revealed throughout the fanfiction.
First, give him a clear backstory. For example, if he grew up in a poor part of Gotham, it could shape his motives and values. Second, define his skills. Maybe he's a martial artist or a hacker. Third, create relationships. He could be an old friend of Alfred's, which gives him an in with Batman.
Make him have a bit of a stubborn streak. He refuses to change his dueling style even when others criticize it, believing in his own abilities. He might say things like 'I'll show them all that my way is just as valid.' This can lead to interesting character growth as he learns when to be flexible.
One way to develop the personality of a RWBY Beowolf OC is to think about how it interacts with other Grimm. Does it lead the pack? If so, it might be more dominant and assertive. It could growl and snap at other Beowolfs to keep them in line. Also, consider how it reacts to humans and Huntsmen. Is it more curious than afraid? Maybe it has seen some Huntsmen in action before and is intrigued by their power, so it hesitates before attacking. This kind of personality trait would add depth to your OC in the fanfiction.
Let his experiences mold his personality. If he has had to fight for his survival from a young age, he might be tough and resourceful. On the other hand, if he was sheltered, he could be naive. His interactions with other characters in the RWBY universe can also develop his personality. If he meets a human who treats him with respect despite his Faunus features, it could change his view of humans and make him more open - minded and friendly towards them.