Ash from Pokemon and Yugi from Yu - Gi - Oh would be really interesting. Ash is a fearless and determined Pokemon trainer, while Yugi is a strategic and kind - hearted duelist. Their different personalities and skills would create a great dynamic. They could learn from each other, like Ash teaching Yugi about the bond between a trainer and a Pokemon, and Yugi showing Ash the intricacies of dueling.
Another interesting pair could be Brock from Pokemon and Joey from Yu - Gi - Oh. Brock is known for his knowledge of Pokemon and his caring nature, while Joey is a passionate duelist. They could have some humorous exchanges as Brock tries to understand the rules of dueling and Joey tries to wrap his head around the concept of Pokemon training. Their friendship could grow as they support each other in the new and strange situation of the crossover.
Misty from Pokemon could also be a great character to include. She's strong - willed and has her own set of skills. Paired with a Yu - Gi - Oh character like Kaiba, who is confident and often a bit of a rival, there could be some really interesting interactions. Misty might not be impressed by Kaiba's over - the - top attitude at first, but they could come to respect each other as they face challenges together in the crossover world.
Yami Yugi from Yu - Gi - Oh is also a strong contender. His Millennium Puzzle gives him access to powerful magic and ancient knowledge. In a crossover, he could use his skills to outwit Pokemon trainers. He might be able to predict their moves and use his cards in ways that would give him an advantage against the Pokemon. He could also form a bond with some of the more intelligent Pokemon and use their powers to enhance his dueling abilities.
Jaden from Yu - Gi - Oh GX and Yusei from Yu - Gi - Oh 5DS are very likely to form an alliance. Jaden is known for his enthusiastic and adaptable dueling style, and he is always up for a challenge. Yusei, on the other hand, is a strategic and determined duelist. Their combination would be great as Jaden's out - of - the - box thinking could complement Yusei's well - planned strategies. They could face any enemy that comes their way with confidence.
Well, from Naruto, Kakashi is a popular character to feature. His laid - back yet highly skilled nature can be a great contrast in a Yu - Gi - Oh GX crossover. He could teach the Yu - Gi - Oh GX characters some ninja tactics. In Yu - Gi - Oh GX, Bastion is often a favorite. His intellectual approach to dueling can be an interesting element when combined with the more action - based Naruto world. And among the Naruto characters, Sakura can also be a great addition to fanfiction. Her growth from a weakling to a strong kunoichi can be an inspiring sub - plot when interacting with Yu - Gi - Oh GX characters.
In a Yu - Gi - Oh GX crossover fanfic, I think Aster Phoenix would be a great addition. His cool and confident demeanor and his strong connection to his cards could add a lot of depth. Also, the Ojama Trio could be included for some comical relief. They could get into all sorts of wacky situations in the crossover world. Additionally, Atticus Rhodes. His laid - back attitude and his relationship with Alexis could be explored further in a crossover, especially if there are elements of romance or family drama involved in the new world.
In Pokemon, Ash would be a likely candidate. He's the main character and is always up for new adventures. In Yu - Gi - Oh GX, Jaden is the obvious choice. He's brave and loves to duel. Imagine Ash and Jaden meeting. Ash could show Jaden how to catch Pokemon, and Jaden could introduce Ash to Duel Monsters. Another possibility is Misty from Pokemon. She could be interested in the magical aspects of Yu - Gi - Oh GX. And from Yu - Gi - Oh GX, Alexis could cross over. She might be intrigued by the cute Pokemon and how they are trained.
It could be Naruto. His huge chakra reserves and his ability to access the power of the tailed beasts would give him an edge. He could potentially use his chakra to power up Yu - Gi - Oh cards in ways no one else could. Also, his ninja skills like speed and stealth could be used during duels in unexpected ways.
It's hard to say for sure, but Naruto could be really powerful. His ability to create an unlimited number of Shadow Clones could give him an edge in a Yu - Gi - Oh duel. He could use the clones to strategize and overwhelm his opponents. However, Yugi has the power of the Millennium Puzzle and his strong connection with the spirit world. So, it really depends on how the crossover is written and what rules are applied.
One possible plot could be that the trainers from the Pokemon world are transported to the Yu - Gi - Oh world. They have to learn the rules of dueling in order to find a way back home. Meanwhile, the Yu - Gi - Oh characters are fascinated by the Pokemon and try to figure out how they can incorporate them into their duels.
One possible plot could be that the Pokemon trainers and Yu - Gi - Oh duelists find themselves in a shared dimension due to some strange rift. They then have to work together to find a way back to their respective worlds. The Pokemon could be used in a new kind of dueling system where their powers are combined with the cards' magic.
Definitely Master Chief. His stoic nature and combat skills would be really interesting to pair with Pokemon. He could be a silent but effective Pokemon trainer. Another would be Cortana. Her intelligence could be used to analyze Pokemon abilities and strategies. And of course, Pikachu would be a great character to include. It could be fun to see how it interacts with the Halo characters and technology.