Steven Stone (Daigo Tsuwabuki) of Pokemon.
Steven is the Champion of the Hoenn League in Pokémon Ruby and Sapphire, Omega Ruby, and Alpha Sapphire, and the son of Mr. Stone of the Devon Corporation. He has a passion for rare stones, and he constantly travels in search of them. Later in Emerald, he leaves his post as Champion to continue his search for the rare stones. Steven also makes several cameo appearances in HeartGold and SoulSilver. His team is made up of mainly Rock, Steel, and Ground-type Pokémon.