- A boy from Pallet Town - Aims to be the world's #1 Pokémon Master - Passionate about battles and possesses exceptional skills - Just, kind, and brave, yet reckless and eccentric - Deeply empathetic - Currently living with Professor Kukui - Admires the Royal Mask, a famous professional wrestler in the Alola region [Partner Pokémon] Pikachu, Rowlet, Lycanroc (Dusk Form), Torracat, Solgaleo (Ultra Beast) [Pokémon Evolutions] Torracat - Incineroar [Electric Z-Move Line] Alright, let's go with all our power! Channel all our strength into a Z-Move! Pikachu, Gigavolt Havoc!

- A Water-type Trainer who loves fishing and the sea - Has good physical strength from frequent fishing - Gentle and quiet on the surface, but... - A girl of action who is very active in her areas of expertise - Enjoys telling tall tales and likes scary things - Possesses excellent athletic nerves - Best friends with Mallow - Kiawe's athletic rival - Has twin younger sisters named Harper and Skye - A devoted but firm older sister; she is so scary when angry that she is the primary source of fear for her sisters - Her dream is to make Popplio's balloons large enough to explore the underwater world and meet new sea Pokémon [Partner Pokémon] Popplio, Eevee [Pokémon Evolutions] Popplio - Brionne - Primarina [Water Z-Move Line] Reach out, beyond the horizon! Hydro Vortex!

- A Grass-type Trainer - An energetic mood maker who is easygoing and a bit of a klutz - Her family runs a restaurant, and she is an excellent cook - Best friends with Lana - Her mother passed away from an illness when she was young [Partner Pokémon] Steenee, Shaymin (Mythical Pokémon) [Pokémon Evolutions] Steenee - Tsareena

- The youngest daughter of a wealthy family; shy but occasionally eccentric - Has extensive Pokémon knowledge but avoids touching Pokémon other than her partners - Loves books - Keeps a daily diary - Feels burdened by her mother's tendency to treat her like a child or show excessive affection, but doesn't refuse it - Uses polite honorifics for everyone - Gladion's sister; calls him "Big Brother" - Her catchphrase is "As a logical conclusion" - An Ice-type Trainer [Partner Pokémon] Alolan Vulpix (Nickname: Snowy), Magearna (Mythical Pokémon), Lunala (Ultra Beast) [Ice Z-Move Line] Snow falling silently from the sky, countless sparkling ice crystals, O cold Z that covers the earth! With my burning soul, rise to the heavens once more! Subzero Slammer!

- Confident and energetic - Lacks athletic ability - Possesses great insight - Very sociable - Has unique tastes and a large appetite - Afraid of dark spaces - An Electric and Bug-type Trainer who is skilled with machinery [Partner Pokémon] Togedemaru, Vikavolt

- A hot-blooded boy - Operates a ranch at home - Has one younger sister - Beyond just being close, he is completely devoted to his sister - Cannot tolerate actions that insult Z-Moves - Serious and passionate about everything, yet eccentric like Ash - A Fire-type Trainer - Lana's athletic rival - Ash's battle rival [Partner Pokémon] Turtonator, Alolan Marowak, Charizard

- Alola School teacher and researcher - Partner and research colleague of Professor Burnet - Lives with Ash - Lectures mainly on Pokémon, Z-Moves, and how to battle - Ranked #1 in the Alola region - Leads a double life as a famous pro wrestler, secretly active under the name "Royal Mask" [Partner Pokémon] Incineroar, Braviary, Lucario [Fire Z-Move Line] Burn bright, Incineroar! Burn the field with the strongest flames! Dynamic Full Flame! [Incineroar Z-Move Line] Burn bright, Incineroar! Burn the ring with the flames of victory! Malicious Moonsault!

- Professor Kukui's partner and research colleague - A friend who works with Lusamine - Cool and confident - A huge fan of the Royal Mask - Unaware that her partner is the Royal Mask [Partner Pokémon] Munchlax

- Mother of Lillie and Gladion - Has raised the children alone since her husband went missing in an experimental accident - Her catchphrase is "Illogically" or "Logically" - Has a playful and childlike personality - Overprotective of her children, yet often too busy with work to look after them [Partner Pokémon] Clefable, Milotic, Lilligant

- A Dark-type Trainer - Lillie's older brother - Loves battling and adventures alone - Man of few words and realistic - Ash's rival - The Zoroark he travels with belonged to his father; they reunited during his journey and now travel together [Partner Pokémon] Umbreon, Silvally, Lycanroc (Midnight Form), Zoroark [Childhood Friend] Guest