How many partners can you obtain in Paper Mario: The Thousand-Year Door?

In Paper Mario: The Thousand-Year Door, you can obtain a total of seven partners throughout your journey. These partners include Goombella, Koops, Flurrie, Yoshi, Vivian, Bobbery, and Ms. Mowz. Each partner possesses unique abilities and assists Mario in various ways, such as attacking enemies, revealing hidden information, uncovering secrets, and assisting with puzzles. With a diverse set of partners, the game offers different strategies and gameplay elements, making it an exciting experience.