Lillie's serious older brother and a skilled Trainer who travels with Type: Null/Silvally.

Energetic and adventurous Trainer who joins the Pokémon School and takes on the Island Challenge.

Smart and inventive Electric-type Trainer who loves technology and building machines.

Friendly, energetic Grass-type Trainer and talented cook who helps run her family's restaurant.

Intelligent and gentle student who initially has trouble touching Pokémon, but grows much more confident.

Calm, clever Water-type Trainer who loves fishing and has a dry sense of humor.

Serious, hardworking Fire-type Trainer who takes battling and Alolan traditions very seriously.

The Pokémon School's professor and Ash's mentor. He's an enthusiastic researcher and Pokémon battler.