2204355 Chicken Man

Google's Dancing Chicken Man can be found by typing 2204355 into the popular search engine.
Try going to Google.com and typing in "2204355", then hit "I'm Feeling Lucky".  You'll get redirected to this.  Every now and again someone at Google leaves a hidden Easter Egg like this one for us to find.

In this case, the Dancing Chicken Man is pretty harmless.  He just grooves on your screen till you get bored.

There have been a number of Google pranks and hoaxes over the years.  Some examples include Google TiSP (short for Toilet Internet Service Provider), Gmail Paper, and Google Book Search Scratch and Sniff.  To learn more about these pranks, read the Wikipedia entry here .