If you're a huge fan of Minecraft, then you probably know what a Creeper is and, therefore, want to be one for Halloween. After all, not everyone can be Steves and Snow Golems. This version uses printouts (templates below the video), and is very easy to make. Besides ink and paper, it pretty much only requires boxes (three different sized ones based on your size).
For people using Photoshop, here's the PSD file.
Otherwise, here are the individual image files:
If you don't want to go all out, you can also just make a Creeper head.