The Nether world (also referred to as the Nether region and Hell) is another realm of fire and torment where the damned are sent to spend eternity. The realm is mostly inhabited by a race of beings known as Demons. Lucifer is the ruler of this realm.
- Lucifer (ruler of Hell)
- Gatekeepers of the Nether world
- Lord Satanus
- According to the New Earth reality, Wonder Dog is a Hellhound from this realm. This has never been revealed in the Earth-1A reality but it would help to explain why he is so freakishly intelligent.