...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 in Japanese, Reverse and Rebirth are homophones?
...that Auron is the first character to be declined by Sora to be a permanent party member?
...that although Neverland was shown in an early scan for Kingdom Hearts coded, it never appeared in the finished product?
...that Xigbar is Tetsuya Nomura's favorite character in Kingdom Hearts 358/2 Days's multi-player mode?
<option> ... that even though their real names are Raijin and Fuujin, Seifer never calls them that, only Rai an Fu.