Snape and Madarao would be an unexpected but fascinating pairing. Snape's brooding and complex personality could interact in an interesting way with Madarao's more straightforward and loyal nature. Snape could perhaps study the unique yokai magic associated with Madarao, and Madarao could be both amused and intrigued by Snape's potions and spells.
I think pairing Harry Potter with Sora would be really interesting. Harry has his own set of magical abilities and a strong sense of justice, while Sora has the power of the Keyblade and a lot of heart. They could learn a great deal from each other. Harry could show Sora some of the more complex spells in the wizarding world, and Sora could introduce Harry to the concept of different worlds and the power of the heart.
I think pairing Dobby the house - elf with Tinky Winky could be really interesting. Dobby is always so eager to please and do good, and Tinky Winky has his own unique charm. They could go on adventures together in Hogwarts or in the Teletubbies' land.
Pairing Supergirl with Severus Snape could create a really dynamic relationship. Snape has his own dark past and complex personality. Supergirl could potentially see the good in him and try to bring it out. They could have a bit of a clash at first, with Snape being suspicious of her, but over time, they could develop an unlikely friendship or at least a mutual respect as they face common enemies in the wizarding world.
I think Harry and Natsu would be a really interesting pair. Harry is calm and calculated, often relying on his wits and the magic he has learned at Hogwarts. Natsu, on the other hand, is impulsive and powerful, using his dragon - slayer magic with great force. They would contrast each other well and could learn a lot from one another. Natsu could teach Harry about fighting with more raw power, while Harry could show Natsu the importance of strategy in a battle.
Another great pairing could be Ron and Fry. Ron is a bit of a laid - back character who often follows Harry's lead, while Fry is a strong - willed woman. Fry could encourage Ron to be more independent and take charge. Ron could introduce Fry to the concept of magic, which she would find both amazing and a bit hard to believe at first. Their relationship could be a source of both comedy and growth in the fanfiction.
Ron Weasley and Simon Lewis could be an interesting duo. Ron has his sense of humor and loyalty, and Simon is a bit of an outsider in the Shadowhunter world, even though he has his own unique abilities. They could bond over feeling a bit out of place at times. Ron could introduce Simon to some of the delicious wizarding food, and Simon could share his experiences of being a "daylighter" in the Shadowhunter world. They could also get into all sorts of comical and dangerous adventures together while trying to help their friends in the bigger fight against evil.
Harry Potter and Goku would be an interesting pair. Harry is a wizard with his own set of powers and skills, while Goku is a powerful Saiyan. Goku's straightforward and kind - hearted nature could contrast with Harry's more complex and often brooding personality. They could learn a great deal from each other, like Goku teaching Harry about physical combat and Harry teaching Goku about the intricacies of magic.
Hermione Granger and Annabeth Chase would be a really interesting pair. Hermione is known for her intelligence and vast knowledge of magic, while Annabeth is extremely smart and strategic when it comes to the demigod world. They could collaborate on solving some complex problems that involve both magic and ancient prophecies. They might also have some friendly debates about whose knowledge is more useful in different situations.
I think pairing Harry Potter with Jack Skellington would be really interesting. Harry is used to the magic of the wizarding world, and Jack is the master of Halloween Town. Their different approaches to magic and problem - solving would create a lot of interesting interactions. For example, Harry could teach Jack about some of the more traditional forms of magic, while Jack could show Harry the unique and spooky magic of Halloween Town.
Ron Weasley and Joey Wheeler would be a fun pair. Ron is often the more laid - back and comical sidekick in Harry's adventures. Joey is also a bit of a hot - headed and humorous character in Yu - Gi - Oh!. They could get into all sorts of misadventures together. Maybe they start a small - scale Duel Monsters tournament within Hogwarts and cause a bit of chaos as they try to figure out the rules and make it work in the wizarding world.