Yes, a new mob. I know. Can't wait for the 1.8 update!!! Frownieman is making the regular Guardian.
Info: http://minecraft.gamepedia.com/Elder_Guardian
23/06/14: Just realized I made a mistake on the blue spikes....its fixed.
How to Print?
1.Click on the papercraft design image.
2.Make sure it has not been resized by your browser (you might need to click the image again).
3.Print using your browser's Print function.