Shrek is the perfect example of an evergreen (pun intended) meme.
From lewd Greentext tales on 4chan to disturbing 3D animations on YouTube to the godlike status ascribed to Smash Mouth's "All Star," the once-humble offering from DreamWorks Animation has become one of the strangest parts of our favorite culture. And yet it also inspires some of the most impressive human creativity you've ever seen.
Source: blastr.com