Super Meat Boy Cheats[ PC ]
Search "tofu boy" in Super Meat Boy Tags :
Unlockable - Tofu Boy
Type the code in on the character selection screen to unlock Tofu Boy. Simply select any character and you will play the level as Tofu Boy, he's really weak so you can't complete any level with him at all.
This will also unlock an achievement called "Well look at you!" on Steam.