Definitely Harry Potter and Batman. Harry has his own set of skills dealing with magic and the dark arts, while Batman is a master strategist and detective. They could learn a lot from each other. Batman could teach Harry about non - magical combat and investigation techniques, and Harry could introduce Batman to the world of magic.
I think Ron and the Flash would be an unexpected but cool combination. Ron has a certain kind of clumsy charm and is good at thinking on his feet in the wizarding world. The Flash with his super - speed could show Ron a whole new way of moving around. And Ron could introduce the Flash to some of the unique magical items in the Harry Potter universe like the Marauder's Map.
The combination of Hulk and Superman would be really interesting. You have two extremely powerful beings. Superman's moral compass and the Hulk's uncontrollable rage would create a great dynamic. They could have a friendly sparring match where Superman has to figure out how to hold back the Hulk without hurting him. Or they could team up against a powerful foe, with Superman using his flight and heat vision while the Hulk does his smash attacks.
Another cool combination would be Bulbasaur and Wonder Woman. Bulbasaur's plant - based powers could be used in creative ways in combination with Wonder Woman's lasso and super - strength. Maybe Bulbasaur could create vines to help Wonder Woman in combat or she could protect Bulbasaur while it uses its powers to heal or create barriers.
Phoebe and Sirius Black. Phoebe's free - spirited nature and her ability to sense things others can't, along with Sirius's rebellious and adventurous streak, would create a really exciting pair. They could get into all sorts of mischief and yet also solve some serious problems.
Wonder Woman and Ron Weasley could be an interesting combination. Ron is often underestimated but has a lot of heart and loyalty. Wonder Woman, with her strength and noble character, could inspire Ron to be more confident in himself. Ron could introduce Wonder Woman to the fun and sometimes chaotic side of the wizarding world. They could work together to fight off enemies, with Ron using his magical skills and Wonder Woman using her combat and leadership skills.
Definitely Harry and Finn. Harry has his wizard skills and his strong sense of justice from fighting Voldemort, while Finn is the fearless hero in Adventure Time. Their different outlooks on life and magic would make for great interactions. They could learn from each other, like Finn learning some basic spells from Harry and Harry learning about Finn's more physical combat skills.
Definitely Geralt and Harry. Geralt is this tough, experienced monster hunter, and Harry is a young wizard with a destiny. Their different approaches to magic and danger would create a really interesting dynamic. Another cool combination would be Yennefer and Hermione. Yennefer is powerful and a bit of a loner, while Hermione is all about knowledge and friendship. They could either clash or learn a great deal from each other. And then there's Dumbledore and Vesemir. Two old and wise men from different magical backgrounds could have some really deep conversations about life, magic, and the future of their respective worlds.
Honestly, it might be a combination of characters. For instance, if Batman and Hermione Granger worked together. Batman is known for his intelligence and strategic planning. Hermione is extremely intelligent and well - versed in magic. Batman could come up with a plan to take on a powerful enemy, and Hermione could use her magic to execute it. They could analyze the enemy's weaknesses, whether it's a superpower or a type of magic, and then use their combined skills to defeat them. This combination of brains and magic could make them a very powerful force in the combined fanfiction world.
Well, I think Obi - Wan Kenobi and Severus Snape would be an interesting combination. Obi - Wan is a noble Jedi, and Snape has his complex and secretive nature. They could both teach each other about sacrifice and loyalty in different ways. Also, Chewbacca and Hagrid. Chewbacca's strength and Hagrid's love for magical creatures could lead to some heartwarming and exciting interactions. And then there's Padmé and Luna Lovegood. Padmé's grace and Luna's unique view of the world could result in some very creative and thought - provoking moments in the fanfiction.
Definitely Harry Potter and Ichigo. Harry is used to dealing with the mystery and danger in the wizarding world, while Ichigo has his own battles against Hollows and the like in Bleach. Their different powers and personalities would create a great dynamic. They could learn from each other's strengths and overcome their weaknesses together. Another interesting combination could be Hermione and Rukia. Hermione's intelligence and knowledge of magic could be paired with Rukia's experience as a Soul Reaper.
I think Captain America and Batman would have some great interactions. Batman is the dark and brooding detective, while Captain America is the all - American hero. They could clash over their methods of fighting crime at first. Batman might be skeptical of Captain America's more straightforward and moral - centered approach, but over time they could learn from each other and form a strong partnership.