Template:Didyouknow

...that Kurt Zisa was named after is named after Kurt Zisa of Medford, New York, who won Square's "KINGDOM HEARTS: Name-In-Game" contest?

...that Sora's clothes, as well as the size of his hands and feet, are references to Mickey Mouse?

...that Mickey Mouse was oringinally intended to be the protagonist for Kingdom Hearts?

...that Kingdom Hearts II is rated E+10 for alcohol use because of the scene where Barbossa takes a drink from his wine bottle?

...that the number thirteen is a reoccuring number throughout the Kingdom Hearts series that has appeared on several occasions?

...that Axel shares his voice actor with Reno from Final Fantasy VII over a variety of languages?

...that the Organization XIII members from Castle Oblivion appear in Jiminy's Journal in Kingdom Hearts II, even though Sora lost his memory of them, and did not meet two of them?

...that according to Nomura, the Dark Thorn's design is based on Ifrit, specifically the Final Fantasy X version?

...that Kairi is the only Princess of Heart to wield a Keyblade?

...that Deep Jungle did not appear in Kingdom Hearts: Chain of Memories, yet it appearsed in the first developing scans of the game?

...that there is a Hidden Mickey on the top of the sign that is above Traverse Town's world exit?

...that in the gummi hangar of Disney Castle, there is a Hidden Mickey on one of the cogs?

...that the Kingdom Hearts 358/2 Days Signature Series Strategy Guide says that Zexion has gray hair?

...that Halloween Town has a more realistic and detailed texture because it is based on stop-motion rather than animation?

...that in the 20th Anniversary Edition of Final Fantasy for the PSP, a child in the randomized dungeon Whisperwind Cove references Sora by saying "I've been having these weird thoughts lately... like... how did I get to this place!?"

...that Sora is the first character to wield three Keyblades at once?

...that Riku is the first Assistance character to appear in the Kingdom Hearts universe?

...that the Pride Lands were originally going to be a playable world in the first Kingdom Hearts, but the game's engine had problems handling a controllable quadrupedal character?

...that according to Santa Claus, Riku told Sora that there was no such thing as Santa Claus?

...that Riku is the only character in the Kingdom Hearts universe to call King Mickey by his name by Mickey's own request?

...that in Where Nothing Gathers, Vexen has the lowest of all thirteen seats?

...that Vivi is the only Final Fantasy character which was not designed by Tetsuya Nomura to appear in a Kingdom Hearts game?

...that Luxord's weapon Finest Fantasy 13 (called Ultimate Illusion 13 in Japanese) is a clear reference to the upcoming Square-Enix game Final Fantasy XIII?

...that in Japanese, Reverse and Rebirth are homophones?

...that part of Kairi's name ("Kai") is the Japanese word for "sea" (海), and that her whole name is homophonous with the word for "nautical mile" (海里 or 浬)?

...that Xemnas was the first and final Organization member to be fought against?

...that Bahamut was originally planned to be the ultimate summon in Kingdom Hearts?

...that in Kingdom Hearts, if you finish the story of Deep Jungle before Wonderland, during the cutscene in Hollow Bastion, Snow White will appear instead of Alice?

...that the Japanese name for Moogle, Mōguri (モーグリ), is a portmanteau of the Japanese words mogura (mole) and kōmori (bat)?

...that Hades and Captain Hook are the only Disney bosses in Kingdom Hearts Re:Chain of Memories to use sleights?

...that Luxord did not appear in Kingdom Hearts: Chain of Memories, even though he wields cards and the gameplay of the game was entirely based on cards?

...that Auron is the first character to be declined by Sora to be a permament party member?

...that the Magnum Loader is based on the Magna Roader from Final Fantasy VI, and even shares the same kana (マグナローダー, Maguna Rōdā)?

...that in Kingdom Hearts II, the Gullwings were once followers of Maleficent?

...that several pieces of equipment, such as Ribbon and Ultima Weapon, are derived from the Final Fantasy series?

...that Saïx only had Zexion killed so as to move up the ranks?

...that Xemnas, Saïx, and Luxord were the Organization members which Yen Sid showed to Sora?

...that the main weapon of the series was originally intended to be a chainsaw-like weapon intead of the Keyblade?

...that in the Chain of Memories manga, Larxene was seen reading a book about the infamous French writer Marquis De Sade, the namesake of sadism?

...that the checkers on Roxas's jacket represent light and darkness?

...that Auron is the first Final Fantasy character to be an official member of Sora's party?

...that every time when Goofy changes into an animal, he transforms into some kind of turtle?

...that Monstro is the only "world" which sometimes disappears when traveled to?

...that Axel is the only character to technically curse in the Kingdom Hearts universe?

...that the kana for Hercules is based on his original Greek name, Heracles?

...that Xigbar is Tetsuya Nomura's favorite character in 358/2 Days's multiplayer mode?

...that Luxord is Tetsuya Nomura's favorite member of Organization XIII?

...that Marluxia was originally intended to be a female character?

...that most of Demyx's weapons are named after musical or rock and roll terms?

...that in Kingdom Hearts II, Atlantica is the only world without a single treasure chest?

...that Olympus Coliseum is currently the only Disney-based world to feature a Final Fantasy character?

...that in the 100 Acre Wood, the Attack command is changed to Hit due to a downplay of violence?

...that only the Kingdom Key, Oathkeeper, and Oblivion are Keyblades that have appeared in all of the games so far?

...that nearly all of Luxord's weapons in Kingdom Hearts 358/2 Days are named after cards from the Tarot deck's Major Arcana?

...that Xemnas is the only member whose title does not have an official English translation?