Elite Four

The Elite Four are the toughest Pokémon trainers in the region other than the Pokémon champion.

In order to battle the Elite Four in any region, trainers must first get all eight Gym Badges from that region.

The Elite Four reside on the Indigo Plateau for the Kanto and Johto region, Ever Grande City for Hoenn, and in an unnamed location for Sinnoh and Isshu.

Kanto

 * Lorelei: Ice
 * Bruno: Fighting
 * Agatha: Ghost
 * Lance: Dragon

Johto

 * Will: Psychic
 * Koga: Poison
 * Bruno: Fighting
 * Karen: Dark

Hoenn

 * Sidney: Dark
 * Phoebe: Ghost
 * Glacia: Ice
 * Drake: Dragon

Sinnoh

 * Aaron: Bug
 * Bertha: Ground
 * Flint: Fire
 * Lucian: Psychic

Isshu

 * Shikimi: Ghost
 * Giima: Dark
 * Caitlin: Psychic
 * Renbu: Fighting