Marooned #1: Remembering Grass Green's Birthday

Today would be the 80th birthday of cartoonist Richard "Grass" Green (born May 7, 1939). From the Eros Comix one-shot Marooned #1; story and art by Grass Green.

And as a bonus, a 1992 convention sketch by Grass Green that I found posted on the Comic Art Fans website. I have no idea whether these are specific characters or not...