Izanami

Izanami (イザナミ, "Izanami") is a character in manga series of Shaman King. She is one of the Four Kings of Hell, and the guardian of the Spirit of Thunder.

About
Izanami is one of the Four Kings of Hell

Invading Hell
When Saigan Sati and Team "Myooh" invaded Hell to obtain the four remaining Great Elemental Spirits, Jackson faced off with Izanami in order to obtain the Spirit of Thunder.

Anime/Manga Difference
Because the anime and manga endings were significantly different, Izanami never appears in the anime.

Trivia

 * Izanami is the goddess of creation and death in Japanese myths.