List of all characters in KH 0.2 Birth by Sleep.

Main Characters

AquaKing MickeyPhantom AquaTerraVentusTerra-Xehanort

After the events of KINGDOM HEARTS Birth by Sleep Final Mix, Aqua found herself trapped in the Realm of Darkness. She wanders the Dark World search for a way back to the Realm of Light, fighting wave after endless wave of Heartless.


On her travels, she visits fragments of the many worlds that have fallen into darkness, and encounters phantoms of herself and her friends — illusions meant to drag her further into the darkness.

King of Disney Castle and a powerful Keyblade Master! Mickey appears to Aqua in the Realm of Darkness in her time of need.


While searching for the Dark World's Keyblade to close the Door to Darkness, Mickey comes across Aqua and fights by her side. The two of them locate the Dark World's Keyblade, but in the process, Aqua is swept away by a swarm of Heartless, leaving Mickey unable to rescue her.

The physical manifestation of all of Aqua's fears and self-doubt.


Phantom Aqua appears to Aqua in The World Within, tormenting her with all of her past failings to save her friends. Her sole purpose for existing is to drag the real Aqua further into the darkness.

A physical manifestation of Terra's heart, reaching out to Aqua from beyond the Realm of Darkness.


Aqua's desperate longing to reunite with her friends connected her heart with theirs, allowing them to see each other and speak once more.

A physical manifestation of Ventus's heart, reaching out to Aqua from beyond the Realm of Darkness.


Aqua's desperate longing to reunite with her friends connected her heart with theirs, allowing them to see each other and speak once more.

Terra's body, possessed by the heart and will of Master Xehanort.


Terra-Xehanort uses the connection made between Terra and Aqua's hearts in the Realm of Darkness in order to trick Aqua into revealing the location of the sleeping Ventus.

Secondary Characters

Master Yen SidRikuKairiSoraDonald DuckGoofy

A powerful magician, retired Keyblade Master, and Mickey's former teacher.


Master Yen Sid provides much wisdom and insight to the prospective young Keyblade wielders, and organizes the effort to face the return of Master Xehanort

Life-long friend to Sora and Kairi, and recently-appointed Keyblade Master.


With his newfound power, Riku embarks with King Mickey on a journey to rescue Aqua from the Realm of Darkness.

Princess of Heart, and newly discovered Keyblade wielder-in-training.


Kairi has been friends with Sora and Riku for years, but was never really able to assist them much on their journeys. Now, with her newfound ability to wield a Keyblade, Kairi embarks for training under Merlin, the wizard.

Life-long friend to Riku and Kairi, and a Keyblade wielder with an impressively-strong heart.


After failing his Mark of Master exam and nearly being made into a vessel for Master Xehanort's heart, Sora must set off on a new journey with Donald and Goofy to regain the powers he has lost.

Court wizard of Disney Castle.


He sets out with Sora and Goofy on their new journey.

Captain of the Guard of Disney Castle.


He sets out with Sora and Donald on their new journey.