Forget Bob Hoskins and John Leguizamo ... Check this out:
It's a "performance piece" developed by an artist named Cory Arcangel, created on an NES emulator (you can actually download the ROM yourself from his web site) ... He's also created such beauties as Super Mario Clouds (which is the entire NES game with everything erased except for the sky and the clouds), the Nintendo iPod, and Super Slow Tetris (which one person describes as "A hacked Nintendo cartridge ... supposedly distinguished by a highly participative character, but players’ anticipation will end abruptly - the monotony and slowness of the games leave behind an empty feeling of frustration.").
Major bonus: Owners of Guitar Hero World Tour and Guitar Hero Smash Hits just got an incentive to add this to their library. IGN: Guitar Hero 5 Preview Although one thing worries me... 152 of 158 DLC tracks will work? What 6 didn't make the cut?