Gary Oak (Japanese: オーキド・シゲル Shigeru Okido) is a major recurring character in Pokémon the Series. He is a Pokémon Researcher from Pallet Town and grandson of Professor Oak. He is a childhood friend of Ash Ketchum and his main rival in the original series. In Pokémon Journeys: The Series, he serves as Goh's rival in Project Mew. His Japanese name is derived from Shigeru Miyamoto.