![ArwingZelda1.jpg](http://img.photobucket.com/albums/v650/Magnus00/ArwingZelda1.jpg)
There have been some interesting finds over the years of unused content found lurking deep in the bowels of game data that was not meant to actually be seen by players. These range from minor things like textures to massive unused areas. I can think of a dozen or so examples off the top of my head. For example, the picture above shows an arwing that was found in the game data of ocarina of time with fully functioning AI. It flies around and will shoot at you and appears to be the basis for the Volvagia boss's AI.
Another somewhat humorous example is an audio clip in Lunar 2 of the game's main villain congratulating you for ripping audio from the disc in order to "cheat" and telling you that he has a special place for you by his side.
https://www.youtube.com/watch?v=iDunXSSQu9o
What are some of the best examples you have seen of hidden content found in a game's data gaf?