You Don't Know UPSO, You Don't Know Jack

You may have seen his work without knowing who was behind it, I remember seeing his Threadless t-shirt long before knowing who he was, so if you don't know UPSO you should check him out now. He has done iullustrations for publications ranging from Newsweek to XLR8R, and has done design for clients such as Poketo, Beautiful Decay, Kidrobot and more. His work rocks, so go check it out.