I think Mo from Inkheart and Kendra from Fablehaven would be an interesting pair. Mo has a lot of knowledge about books and magic in Inkheart, and Kendra has her own experience with the magical world of Fablehaven. They could share their knowledge and learn from each other. Mo could teach Kendra about the power of words in magic, while Kendra could show Mo the unique magical creatures and places in Fablehaven.
Perhaps there could be a situation where the magic in both Inkheart and Fablehaven is being drained by an unknown force. The characters from both worlds realize they need to find the source and stop it. Mo and Kendra could be the leaders in this quest. They start exploring different areas of both worlds, with the help of Dustfinger's knowledge of Inkheart's magic and Seth's familiarity with Fablehaven. Along the way, they discover that the two worlds are more connected than they thought, and there are ancient spells and artifacts that can help them. They face many challenges, like dangerous magical creatures and traps, but they keep going because the survival of both worlds depends on it.
Inuyasha and Edward would be really interesting. Inuyasha is brash and hot - tempered, used to fighting his enemies head - on. Edward, on the other hand, is more reserved and calculating. Their different approaches to handling threats and their unique supernatural abilities would create a lot of tension and also some interesting interactions.
Judy and a Brotherhood of Steel Paladin would be really interesting. Judy is all about justice and fairness in Zootopia, while the Paladin is focused on upholding the values of the Brotherhood in the Fallout world. Their different backgrounds and methods of achieving order could lead to some great interactions. Judy might be a bit put off by the Paladin's more militaristic approach at first, but they could learn from each other as they face challenges together in the crossover universe.
Ichigo and Inuyasha would be a very interesting pair. Ichigo has his inner Hollow and his strong sense of justice. Inuyasha is a half - demon with a short temper but also a good heart. Their interactions would be full of clashes and also mutual respect as they both fight against evil in their own ways.
Evie and Rosalie would also make an interesting pair. Evie is all about beauty and fashion, while Rosalie has her own sense of elegance. They could have a love - hate relationship. Evie might be a bit intimidated by Rosalie's beauty at first, but then they could find common ground in their strong personalities and start to respect each other.
I think Carly and Tori would be really interesting. Carly is used to running her own web - show and has a very DIY approach. Tori is more into traditional performing arts. When they come together, there could be a clash of ideas at first. For example, Carly might want to use a lot of home - made props and simple camera setups, while Tori is used to the grandeur of the Hollywood Arts stage. But they could also learn a lot from each other. Carly could teach Tori how to connect more directly with an online audience, and Tori could introduce Carly to more formal performance techniques.
I think pairing the Dragonborn with Elsa would be very interesting. The Dragonborn has all these combat skills and knowledge of magic, while Elsa has her powerful and sometimes uncontrollable ice magic. Their interactions could range from the Dragonborn trying to help Elsa better control her powers to them teaming up against a common enemy, like a powerful ice - themed demon that is drawn to their combined ice magic.
Conan and Gandalf would make an interesting pair. Gandalf has his magic and wisdom, while Conan has his raw strength. They could have some great exchanges. For instance, Gandalf could be trying to guide Conan in understanding the more complex politics and magic of Middle - earth, while Conan could be impatient and just want to get to the fighting. Their different approaches to problem - solving would create an interesting dynamic.
I think Naruto and Violet would be an interesting pair. Naruto is all about being out in the open and using his powers boldly, while Violet is shy and more into hiding and using her powers subtly. They could learn a lot from each other. For example, Naruto could teach Violet to be more confident in using her powers in the open, and Violet could show Naruto how to be more strategic and less impulsive in battle.
I think Naruto and Kirito would be an interesting pair. Naruto is all about his exuberant and determined personality, always believing in his strength and the power of friendship. Kirito, on the other hand, is more of a lone wolf type at first but also has a strong sense of justice. Their meeting could lead to some great character development for both. Naruto could teach Kirito about the value of relying on others more, and Kirito could show Naruto some advanced combat strategies that he has learned in SAO.