 The show's central protagonist is Ash Ketchum, a ten-year-old aspiring "Pokémon master", who participates in competitions involving battles with creatures called Pokémon in the fictional regions of Kanto, the Orange Islands, Johto, Hoenn, Sinnoh, Unova, Kalos, Alola, and recently Galar.Ash is usually joined by his electric mouse partner Pikachu, and a regularly changing line-up of human friends.These friends are usually Pokémon trainers, such as Misty, Brock, Tracey Sketchit, May, Dawn, Iris, Cilan, Serena, Clemont, Lillie, Kiawe, Mallow, Lana, Sophocles, Goh, and Chloe though some of the friends Ash has adventures with, such as May's brother Max, and Clemont's sister Bonnie, are too young to raise and train Pokémon of their own, but Max & Bonnie promised that they will be Pokémon trainers later in the future.