Celestia is often a popular character. She's a powerful and regal figure, and in fanfiction, her leadership during the war can be a central focus. Another popular one is Twilight Sparkle. Her intelligence and magical abilities make her a key player in many war - related scenarios. Rainbow Dash also tends to be popular as she's brave and her flying skills can be useful in battle.
Well, Luna is quite popular in Equestria at War fanfiction. Her connection to the night and her own unique powers can bring interesting elements to war stories. Spike can also be a popular character. He may seem small, but his loyalty and his ability to breathe fire can make him an important part of the war effort. Additionally, Discord is often liked in fanfiction. His chaotic nature can either be a hindrance or a strange sort of help during the war.
Twilight Sparkle from My Little Pony is also quite popular in these crossovers. Her intelligence and powerful magic make her a great counterpart to Naruto. She can have really interesting interactions with Naruto, whether it's about sharing knowledge or working together in battles.
Twilight Sparkle is really popular. Since she's the main character in the original series, a lot of fanfictions revolve around her adventures and her trying to adapt to the human world in the Equestria Girls universe.
Fluttershy could be an interesting character to include. Her gentle nature could be a contrast to Shadow's more brooding personality. It could lead to situations where Shadow learns to be more empathetic or Fluttershy becomes more assertive in his presence. Sunset Shimmer is also a key character as she has a complex backstory and her knowledge of both worlds can play a significant role in a fanfiction involving Shadow.
Probably Harry Potter himself would be quite popular as he is the main character in his own series. His ability to face danger and use magic would make him stand out in the Fallout Equestria setting.
Another often - seen pairing is Sakura and Twilight Sparkle. Sakura is a strong - willed and intelligent character in Naruto, and Twilight is the same in Equestria Girls. They could bond over their love for knowledge, with Sakura sharing her medical ninjutsu knowledge and Twilight sharing her magical research. Also, they could support each other in facing challenges that require both physical and magical skills.
Sora is often a very popular character. He's the main protagonist in Kingdom Hearts, and when he's brought into the Equestria Girls' world, his heroic nature and his skills with the keyblade make for exciting storylines. Twilight Sparkle is also popular. She's a powerful magic user in the Equestria Girls universe, and her interactions with Sora or other Kingdom Hearts characters can be really interesting. Another popular character is Aqua. Her grace and combat abilities can add a new dimension to the fanfiction when she teams up with the Equestria Girls.
Littlepip is a very popular character. She is often the central figure in many stories, with her journey of growth and discovery being a major focus.
Twilight Sparkle is often a popular character. Her intelligent and curious nature makes for great reactions in these fanfics. She's likely to analyze situations deeply and come up with plans.
Fluttershy, with her gentle and kind - hearted personality, is another favorite. The contrast between her shyness and the human's often - different personality traits can lead to heart - warming and sometimes comical interactions. Her love for animals can also bring in unique story elements when combined with the human's presence in Equestria.
In many 'human in equestria romance fanfiction', Discord is an interesting character. His chaotic nature and his ability to change reality can make for some wild and exciting romantic storylines with a human. Applejack is also popular. Her strong work ethic and loyalty can be appealing in a relationship with a human. And Rarity, with her sense of style and elegance, can bring a touch of glamour to a human - equestrian romance.