I am that guy. It is much more awesome in person. A camera cannot capture the amount of awesomeness that drips from the drawing.
I cannot bypass a "Special Instructions" box when I am making any type of web order. I generally fill them with unusual requests that are generally ignored. I had no expectation of GMT actually fulfilling my request in the manner that they did.
I asked them to draw a U.S WWII Soldier fighting a dragon on the outside of the the shipping box.
Here it is in case people don't feel like following the link.