Money Bag

Moneybags are enemies in Super Mario 64. They are green wallet-like creatures that disguise as coins. When Mario gets close, their true form can be seen, and they start hopping around, damaging Mario if they touch him. They reside in Snowman's Land.

Trivia

 * With good timing, it's possible to make a moneybags duplicate itself by interrupting it during a few frames of its transition from its enemy form to its fake coin form. Exploiting this glitch can allow the player to obtain infinite coins in Snowman's Land.