Assuming you are talking about Mission Mode,
You can unlock Goofy when Saïx promotes you to "master" rank on day 296.
You'll have to go to Traverse Town and in Third District after finding Leon and Yuffie.
yep
Donald and Goofy are Sora's sidekicks thoughout the game. Donald specializes in Magic and Goofy in defence. They are very loyal allys
Yes.
Sora, Kairi, Riku, Donald, and Goofy!
Best Weapons are Donald: Save the Queen+ Goofy: Save the King+ Sora: Ultima ALL ARE SYNTHESIS CREATIONS
Sora, Kairi, Riku, Donald, and Goofy!
No, Sora Donald and Goofy are in a different Castle
Sora, Donald goofy and Beast in times
You can buy staffs and shields for Donald and Goofy, but not keyblades for Sora.
No one except Sora Donald and Goofy
you get them and all the characters as the game progresses
sora is the main character in kingdom hearts. Goofy and Donald travel with him. He lives on destiny island.