is a fictional group of characters featured in Square Enix and Disney Interactive Studios' Kingdom Hearts video game series. Kingdom Hearts is a crossover of various Disney settings based in a universe made specifically for the series. The group comprises thirteen Nobodies, or beings without hearts.
The Organization was originally introduced in the bonus trailer of Kingdom Hearts Final Mix, "Another Side, Another Story [deep dive]", where their Japanese name was translated as the "Thirteenth Order". The group was later introduced as the "Organization" in the game Kingdom Hearts: Chain of Memories, where they serve as the main antagonists, and returns in the same role in Kingdom Hearts II. Organization XIII is prominently featured in Kingdom Hearts 358/2 Days as characters available for play, along with a new, female member named Xion, and several members, prior to becoming Nobodies, appear in Kingdom Hearts Birth by Sleep.
The group was moderately well received by reviewers. Comments focused on their difficulty as adversaries and mysterious nature which fueled expectations of future titles. Roxas specifically received press comments, focused on his introduction in Kingdom Hearts II.
The Organization XIII characters were created by Tetsuya Nomura, director of the series, and other members of his development staff. The concept began with Xemnas as the first member and Roxas as the last. Each member's name is an anagram of their name prior to becoming a Nobody, along with the letter "X". The emblem associated with the Nobodies and Organization XIII was designed to look like a splintered heart as a complement to the Heartless emblem. In terms of good and evil, Nomura tried to portray the characters ambiguously. Throughout the development of the games, Nomura has often left certain events related to and connections between the Organization XIII characters—along with the series' other characters—unexplained until the release of sequels; he feels that games should have room for fans to speculate and use their imagination.
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Official Site: Square Enix
Links: Organization XIII: Vexen bio Kingdom Hearts II Wikipedia The Organization XIII