| Sora The hero of this story. Chosen by the Keyblade, this 15-year-old is on a journey to reunite with his friends. His best friend Riku has gone missing, while Kairi has been left behind in their homeland of Destiny Islands. He has a cheerful disposition, and while a little naive, his sense of justice is extraordinary. |
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| Donald Duck Disney Castle's Royal Court Magician. Donald embarks on a journey with Sora and Goofy to search for their missing king. Always impatient, Donald is never at a loss with an opinion. |
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| Goofy Captain of the Royal Knights at Disney Castle, Goofy has set out with Sora and Donald. He is an eternal optimist, who takes like in stride. Although a bit clumsy, he still notices things that others miss, and his intuition is surprisingly accurate. |
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| King Mickey The King of Disney Castle, King Mickey was one of the first to recognize the mysterious threat. Left behind in the realm of darkness with Riku, he continues his investigation apart from Sora and friends. |
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| Roxas A boy who lives in Twilight Town, where our story begins. He and his friends Hayner, Pence, and Olette are enjoying what's left of their summer vacation, but mysterious events unfolding around them are making Roxas anxious. |
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| Heartless Mysterious beings that attack relentlessly. Sora and friends encountered several types of these creatures on their previous adventures. |
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| Nobodies "Nonexistent beings" under Organization XIII's control. Another powerful force, seperate from the Heartless. |
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| Organization XIII An inscrutable black-coated organization that makes its appearance with Nobody underlings. As their name implies, they were comprised of 13 members, but Sora and friends have practically reduced their members to half. |
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