...that there is a reoccuring pattern of Final Fantasy characters appearing in Olympus Coliseum, such as Cloud in Kingdom Hearts and Kingdom Hearts: Chain of Memories, Auron in Kingdom Hearts II, and Zack in Kingdom Hearts Birth by Sleep?
...that in the Gummi Hangar of Disney Castle, there is a Hidden Mickey on one of the cogs?
...that Xemnas was the first and final Organization member to be fought against?
...that the checkers on Roxas's jacket represent light and darkness?
...that the kana for Hercules is based on his original Greek name, Heracles?
...that Lexaeus and Ansem (Xehanort's Heartless) share the same sleight name "Rockshatter" in Kingdom Hearts: Chain of Memories (not kingdom Hearts Re: Chain of Memories)?