Steven Stone

Steven Stone (Japanese:ダイゴ Daigo) is a character in the Pokémon franchise. He is the Pokémon League Champion in Pokémon Ruby and Sapphire. But he wasn't the champion in Emerald. He is also mentioned in Pokemon Platinum and appears in Pokémon HeartGold and SoulSilver. Steven specializes in using -type Pokémon. He is also set to appear as the champion in Pokémon Omega Ruby & Alpha Sapphire. He seeks the secret of Mega Evolution.

Games
Steven is the son of Mr. Stone, the creator of the PokéNav. Like Cynthia in the Generation IV games, Steven is found throughout the game, giving items and tips to the player throughout the game.

Pokémon Emerald
Unlike in Pokémon Ruby and Sapphire, Steven Stone is not the champion of the Pokémon League in this game. He is found in the Meteor Falls after the player becomes the newest champion of the Pokémon League. The player can battle with Steven in Meteor Falls, but he is more powerful and can only be battled once.

Pokémon Platinum
In the Pokémon Platinum the villa, the play receives in the fight area is mentioned to be previously owned by Steven.

Pokémon HeartGold & SoulSilver
In Pokémon HeartGold and SoulSilver, Steven is found in the Silph Co. building after the player defeats Red. He asks which stone the player likes and then gives him or her one of the Hoenn starters with the stone that corresponds to the color of the stone the player chooses. The player can also trade him a Forretress to receive a Beldum in return. He can also be found inside the Pewter Museum related to the Legendary Pokémon Latios/Latias event.

Pokémon Black 2 & White 2
In Pokémon Black 2 and White 2, Steven can be battled at the Pokémon World Tournament in the champions tournament.

Pokémon Omega Ruby & Alpha Sapphire
In the game, Steven is said to be looking for the secret of Mega Evolution.

Pokémon Black 2 and White 2
Champion League Tournament