Underground comix

A reference to low sales or self-published comic books, which tend to address social issues in a satirical way and reference topics forbidden to mainstream comics such as explicit sex, violence and drug use. These publications including "Mad" magazine, are part of hippie counterculture. They were especially popular in the 1960s and 70s in Britain but represented in America by Skip Williamson, Robert Crumb, Gilbert Sheldon, S. Clay Wilson and Harvey Kurtzman, founding editor of "Mad". Sources: Wikipedia-Underground Comix; AskART biographies.