Hermione Granger and Annabeth Chase would be an amazing pair. Hermione is super - intelligent, book - smart, and loves to study magic. Annabeth is a strategist, with a vast knowledge of Greek mythology. They could share their knowledge, Hermione teaching Annabeth about wizarding spells and Annabeth introducing Hermione to the lore of the Greek gods. They could also work together to solve complex problems that require both magical knowledge and knowledge of mythology.
I think Ron Weasley and Grover Underwood could be a fun pair. Ron is always up for an adventure, but he also has his insecurities. Grover is a satyr, a bit nervous but also very loyal. They could bond over their shared love of food (Ron with his wizarding treats and Grover with his love for all kinds of plants that are edible for him). And when they face danger together, they could learn from each other's courage and loyalty.
Ron and Grover would be a fun combination. Ron is a bit of a foodie and has a great sense of humor, while Grover is a satyr who loves nature and is always a bit nervous. They could get into all sorts of comical situations together, like when they accidentally set off a magical trap in Hogwarts while looking for food in the kitchens, or when they try to communicate with the magical creatures in the Forbidden Forest and end up scaring each other.
I think Annabeth and Black Widow would be an interesting pair. Both are strong, intelligent women. Annabeth's strategic mind from her demigod training could work well with Black Widow's spy skills. They could be on a mission to infiltrate a secret lair that has something to do with both the Greek and Marvel worlds.
Definitely Percy and Dean. Percy has his quick - thinking and his water powers from being a son of Poseidon, while Dean is the tough, street - smart hunter. Their different personalities and skills would create an interesting dynamic. They could learn from each other, like Percy teaching Dean about Greek mythology and Dean showing Percy some of his hunting tricks.
Grover and Sam would be a fun combination. Grover is kind of goofy and has his own unique charm, and Sam is tough and not easily intimidated. They could get into all sorts of comical situations together, like when they go on a hunt for a mythical creature that has escaped into the city where iCarly is set.
Percy Jackson and Mal would be an interesting pair. Percy has his water powers and his heroic, yet sometimes impulsive nature. Mal has her magic and her complex background as a VK. They could learn a lot from each other. Percy could show Mal that not all heroes are born into perfect situations, and Mal could introduce Percy to the different kinds of magic in the Descendants world.
Jason Grace and MG would also be an exciting pairing. Jason has his abilities as a son of Jupiter, his control over lightning and his Roman military training. MG is a vampire in Legacies. They could form an unlikely alliance. Jason could teach MG about discipline and honor from the Roman point of view, while MG could show Jason the unique aspects of being a vampire, like enhanced senses and the ability to move quickly. They could team up to protect their friends from threats that target both the demigod and vampire communities.
Definitely Harry Potter and Twilight Sparkle. Harry is used to dealing with dark magic and danger, while Twilight is all about knowledge and friendship. Their interactions would be really cool. Harry could teach Twilight about some of the more dangerous aspects of magic, and Twilight could show Harry the power of friendship in Equestria.
Ron Weasley and Four Arms from Ben 10. Ron is known for his loyalty and his skills in wizard chess. Four Arms is a strong and powerful alien. Their personalities are quite different. Ron might be a bit intimidated by Four Arms at first, but as they get to know each other, they could form an unlikely but strong team. Four Arms could help Ron in physical battles, and Ron could use his wizarding skills to protect Four Arms from magic - based attacks.
Hermione Granger and Sakura Haruno could make a great pairing. Hermione is known for her intelligence and thirst for knowledge, and Sakura is a smart and determined kunoichi. They could exchange medical knowledge, Hermione's knowledge of potions and Sakura's ninja medical skills. They could also bond over their shared experiences of being part of a team and having to prove themselves in a male - dominated environment.
I think Obito and Hermione would be an interesting pair. Hermione is all about knowledge and Obito has a deep understanding of his ninja world. She could be fascinated by his sharingan and his unique abilities. He could learn from her about the complex magic system in the Harry Potter world. They could work together to solve mysteries that involve both ninja techniques and magic, like unravelling a curse that has both magical and chakra - based elements.