GI Joe DIC Cartoon Serpent-Man Custom by Ian! Posted on June 7, 2018 at 9:52 am by xerofall under G.I. Joe Cartoons, G.I. Joe Customs Hisstank member Ian dropped another carton custom for your viewing pleasure! This time Serpent-Man from the DIC cartoon 1990 episode “Injustice and the Cobra Way.” Check out more images after the jump.