Tineye.com. Reverse image search. Have a cool image but you don't know the artist? Tineye seems like it could help. Useful is good.
Once again, Patton Oswalt speaks truth. This time about geek culture: “The coming decades—the 21st-century’s ’20s, ’30s, and ’40s—have the potential to be one long, unbroken, recut spoof in which everything in Avatar farts while Keyboard Cat plays eerily in the background.”