If you are looking for ideal Pokémon birthday themes, here are a few fun and exciting options:

1. Pokémon Adventure: Transform your party venue into a Pokémon training ground. Decorate with Pokémon banners, balloons, and table covers. Set up game stations where kids can catch Pokémon cards or play interactive Pokémon video games.

2. Pikachu Party: Focus the theme on the lovable Pikachu. Decorate with yellow and black balloons, tablecloths, and streamers. Create a Pikachu face-shaped cake or cupcakes, and give out Pikachu-themed party favors, such as stickers or plush toys.

3. Pokémon Gym Challenge: Turn your party into a Pokémon Gym. Assign each guest a Pokémon type and create challenges for them to complete. Decorate with gym badges, themed banners, and posters of different Pokémon types.

4. Pokémon Detective: Host a Pokémon detective-themed party, inspired by the Pokémon Detective Pikachu movie. Set up a detective station where kids can solve Pokémon-themed mysteries or puzzles. Decorate with magnifying glasses, detective hats, and footprints.

5. Pokémon Costume Party: Encourage guests to dress up as their favorite Pokémon characters. Decorate the venue with Pokémon character cutouts and themed banners. Hold a costume parade or a Pokémon-themed fashion show.

Remember, you can always mix and match these ideas or add your own creative twist to make the birthday celebration even more unique and memorable. Have a fantastic Pokémon-themed birthday party!