This GGS exclusive depicts the amazing artist, cartoonist and founder of Juxtapoz magazine, Robert Williams, A.K.A. Mr. Bitchin’. In the late 60’s Robert joined the ranks at Zap Comix where he created the seminal Underground Comix anti-hero, Coochy Cooty.  Over the course of his richly storied career, Mr. Williams has worked alongside other greats…