Ghoul Medal

The Ghoul Medal is an anomalous collectible that can appear in Super Mario 64. It is often describes as a token of some sort with a Boo or skeleton engraving on it. It is usually associated with Big Boo's Haunt and Big Boo's Forest. It was believed to exist due to a sign found in Big Boo's Haunt that says: "You Don't stand a ghost of a chance in this house. If you walk out of here, you deserve... ...a Ghoul Medal..." Though some believe this is a play-on-words on the term "gold medal", some personalized copies have the Ghoul Medal as an actual unlockable item. When collected, it usually displays the animation when the player grabs a key.

Ways To Unlock
There are several ways to unlock the Ghoul Medal in several personalized copies. These include:


 * Using a Crazed Crate to clip out of the cage the course is inside of.
 * Finding it in Big Boo's Forest.
 * Getting on top of the mansion before the first mission is completed.

Giant Boo
Several copies have a supposed Giant Boo boss fight that unlocks the Ghoul Medal. It is usually a Boo twice the size of a Big Boo, and usually takes 10 hits to defeat. It's appearances vary, though it is often found by clipping into the mansion using a Crazed Crate.

Uses
There are several uses of the Ghoul Medal once unlocked. These include:


 * No visible purpose.
 * Appearing on the save file as an achievement.
 * Making all Boos and other "spooky" enemies not attack the player.
 * Unlock Luigi.
 * Unlock the beta triple jump.
 * Unlock a permanent Vanish Cap that can be toggled on and off.
 * Unlocking a new course, usually either Big Boo's Forest or Big Boo's Castle.
 * Being used to unlock a badge in Paper Mario via Stop N' Swop.