Paladin Danse is often a popular character. His loyalty to the Brotherhood and his complex backstory make him a great focal point in crossovers. Writers can explore his reactions to new characters or situations from other universes.
Elder Maxson is also quite popular. As the leader of the Brotherhood of Steel in Fallout 4, he has a lot of power and influence. Fan fictions might explore his decision - making processes, his vision for the Brotherhood, and his interactions with those who oppose or support him. His character has a lot of depth that can be delved into, like his past experiences that shaped him into the leader he is.
Paladin Danse is often a popular character. His strong sense of duty and his internal struggle with being a synth make him an interesting character to explore in fan fiction. Writers can delve into his relationships with other Brotherhood members and how his secret affects those around him.
Kane is often a very popular character. His charisma and leadership in the Brotherhood of Nod make him a central figure in crossovers. He can easily be the driving force in any interaction with other universes.
Wrath is often a very popular character in fanfic. As the king, he has a lot of power and responsibility, which makes for interesting storylines. His relationship with Beth is also a big draw, and many fanfics explore different aspects of their relationship, like how they deal with ruling together.
One interesting concept could be the introduction of characters from different universes into the Brotherhood of Steel's world. For example, bringing in a character with unique powers or a different moral code and seeing how they interact with the strict, technology - focused Brotherhood.
Definitely Pikachu and Twilight Sparkle. Pikachu is one of the most iconic Pokemon, known for its cute appearance and electric powers. Twilight Sparkle is a central character in MLP, being very intelligent and powerful in magic. Their personalities are quite different, which makes for an interesting dynamic when they meet in a crossover fanfic. They could learn from each other, with Pikachu showing Twilight about the world of Pokemon battles, and Twilight introducing Pikachu to the magic of Equestria.
Sasuke is often a popular crossover character. His cool and brooding nature, along with his powerful Sharingan abilities, make him an interesting addition in crossovers. He could potentially team up with characters like Batman, given their similar dark and complex personalities.
The Avengers are very popular. Characters like Captain America and Thor are often paired with Spider - Man. Their different powers and personalities create interesting dynamics. For example, Captain America's leadership and old - fashioned values contrast with Spider - Man's youthful and sometimes impulsive nature.
Iona is often a popular choice. Her unique personality and her role in the series make her an interesting character to explore further in fanfics.
Well, Bell Cranel is definitely up there. His determination and naivete make him a great character to put in different situations in a crossover. He can be the fish - out - of - water in a new world, which creates a lot of potential for story development. Hestia, as Bell's goddess, is also a popular pick. Her possessive and caring nature towards Bell can lead to some interesting relationship - building in a crossover. And let's not forget Ryuu Lion. Her calm and collected demeanor along with her combat skills can make her a formidable presence in a crossover fanfic, especially when paired with characters from other worlds with different fighting styles.