I asked my 4yr old daughter to draw me a "monster" picture and I would try to 3D sketch it and then 3D print it out for her... Somehow we ended up with this thing after 3 different and very abstract crayon drawings. To give it a bit of utility and offer some reason for desk placement at work I designed 3 holes in its back for pens and such.
Its a pen holding "Skull Crawler" when on it's legs but viewed from the top or turned on its rear (back forward) its a happy snow man; spin it around and you have an angry Tiki statue (or so I've been told)...
Basically, if your desk isn't already a cluttered mess; and one of your personal goals is to have a cluttered desk then you might like this light utility, random child art to help you obtain your goals.
You can grab our 3D model here: http://www.123dapp.com/123D-3D-Model/Skull-Crawler/618438 and use the free 123D app by Autodesk here: http://www.123dapp.com/123d to mod if you like and then export to your preferred format for 3D printing; here is a sample workflow I have used at home designing and printing with great results: http://www.instructables.com/id/Basic-workflow-for-3D-design-in-Sketchup-and-3D-pr/
Skull Crawler is designed to print on any 3D printer; just position him on the build plain with his back down for an easy ~2hr print!