Underworld

The Underworld is a fictional place deep below the ground.

Go! Greenman
Like most things in Go! Greenman the Underworld is never really explained. It's location is not specified either but it is believed to be deep below the ground.

Yamato Takeru
In this movie, the god Tsukuyomi is the lord of the underworld.

Monsters in the Underworld

 * Maoh
 * Cretin
 * Phantoms
 * Tsukuyomi

Filmography

 * Yamato Takeru

Television

 * Go! Greenman