Violence Jack: Jigoku Gai-hen

The World as we know it has been torn apart shattered by a series of natural disasters that have turned civilization into a brutish nightmare of survival and has left whole cities buried beneath the Earth. It's now a lethal and chaotic place, a place where only the strongest and most savage remain alive. The strongest of them all is a giant warrior known as Violence Jack… Violence Jack tries to avert a civil war brewing among the wretched inhabitants of a subterranean metropolis called Evil Town. Based on a character created by manga horror specialist, Go Nagai. (Source: AniDB)

Recommended anime

Genocyber

Yami no Shihoukan Judge

Chika Gentou Gekiga: Shoujo Tsubaki

Shin Hokuto no Ken

Kenpuu Denki Berserk

Amon: Devilman Mokushiroku

Choujin Densetsu Urotsukidouji