バイオレンスジャック
is a Japanese manga, co-written and co-illustrated by Go Nagai since 1973, all the way to 2008. It has had several serializations and one-shot stories which have run in the 1970s, 1980s, 1990s and 2000s. Most of the stories have been compiled in around 45 tankōbon while a few of them have been published as special tankōbon or have yet to be published in that format. "Violence Jack" is credited with creating the post-apocalyptic manga and anime genre.