Definitely their friends from the Pokémon journey. People like Brock, Clemont, and Bonnie would be there. All of Ash's Pokémon from his various travels, like Charizard, Bulbasaur, and Squirtle, would also come. And Serena's Pokémon friends too. Maybe even some of the Gym Leaders they've met over the years would show up to wish them well.
The guests could include not only their human friends but also Pokémon from different regions. Some of the rare Pokémon they've befriended during their adventures might make an appearance. Professor Oak would be there to give his blessings. And from Serena's side, her mother might come. The local Pokémon in the area where the wedding takes place would also gather around, curious and happy for the couple.
There would be all the Pokémon trainers they've encountered. Trainers from Kanto, Johto, Hoenn, and so on. Some of the Pokémon Rangers might also be invited. And it wouldn't be complete without the little Pokémon that Serena has helped and healed during her travels. They all come together to celebrate Ash and Serena's big day, creating a truly memorable event filled with Pokémon - related cheer and joy.
Definitely their close friends like Brock and Misty. They would be there to support Ash. And all of Serena's friends from Kalos too. Also, the Gym Leaders they've met along their journey might be invited. And of course, their Pokemon. Pikachu would be right there by Ash's side, and Serena's Fennekin would also be present.
Obviously, Brock would be there. He's been their friend throughout their journey. All of Ash's Pokémon like Pikachu, Bulbasaur, and Charizard would be present too. And Misty's sisters might come to the wedding, adding some fun and chaos as they usually do.
Well, it could start with Ash finally realizing his true feelings for Serena. They might have a small, intimate wedding in a Pokémon - filled meadow. All their Pokémon friends would be there, helping to decorate with flowers and berries. Pikachu could be the ring - bearer. And Serena would look stunning in a white dress inspired by Pokémon fashion.
Definitely their Pokémon friends. Pikachu, of course, would be there. May's Blaziken and Ash's Greninja would also be among the guests. Their human friends like Brock, Misty, and Dawn would surely come. And perhaps some of the Gym Leaders they've met during their travels would also attend, like Roxanne from Rustboro City.
Maybe Gary could be the best man. He has a long - standing relationship with Ash, and they've had their rivalries and also moments of mutual respect. Regarding the maid of honor, it could be Miette. She and Serena have had their interactions, and she could add a bit of fun and sass to the wedding party.
Well, it could start with Ash finally realizing his true feelings for Serena. Maybe they meet up again after a long time apart. Then they start to plan a small, intimate wedding in a beautiful Pokemon - filled location like a meadow full of Pikachu and Eevee. Their Pokemon friends could help with the preparations, like Pidgey delivering invitations.
Obviously, their close friends from Hogwarts would be there. Ron and Hermione would be among the guests, as they are Harry and Ginny's best friends. The Weasley family in its entirety would be present too, including Molly and Arthur. Luna Lovegood would surely be invited, with her unique charm. And Hagrid, who has been like a father figure to Harry in a way, would also be there to celebrate this happy occasion.
The guests would include their closest friends and allies. Nico would be there, having finally come to terms with Percy and being part of their group. Rachel Elizabeth Dare would be there as well, since she has a connection to both of them. The centaurs from the forest around the camp would also be invited, like Firenze, who has always been a bit of a mentor figure. And the minor gods and goddesses who have helped them on their adventures might also make an appearance.
Their families would definitely be there. So Katniss's mother and sister Prim, and Peeta's family. Also, their friends like Gale, who, despite his complicated relationship with Katniss, would come to support them. Haymitch would also be a guest, as he has been a mentor and a friend to them throughout their time in the Games.
A possible fanfiction plot could be that Ash, Serena, and May are invited to a mysterious island full of unknown Pokemon. They have to work together to survive and discover the secrets of the island. Ash's leadership, Serena's ability to communicate with Pokemon, and May's quick decision - making skills would be crucial.