Super Mario 64 is subject to an urban legend, that being the personalization of every copy. The game will change and adapt to suit it's player, and there have been many who claim to see new characters, small changes, new maps and even strange creatures, like a Wario head who will chase you until the very end.

"You want fun? WARIO SHOW YOU FUN!"

The Wario head is chasing you down an endless hallway.