You always wanted to be a space ranger, this is one step closer!
Available at: Suck UK http://www.suck.uk.com/product.php?rangeID=154&rangeNew=1 ($16)
I've never seen an assistant quite so talented. He can hold my pencil, tape and other accessories all while taking care of some business of his own if you know what I mean.
Spitballs? Please! If you really want to annoy your coworkers, fire circus people over the cubicle wall!