HeartGold & SoulSilver arc (Adventures) - Bulbapedia, the community-driven Pokémon encyclopedia

Mt. Silver - Bulbapedia, the community-driven Pokémon encyclopedia

PS041 - Bulbapedia, the community-driven Pokémon encyclopedia

Crystal (Adventures) - Bulbapedia, the community-driven Pokémon

Violet City - Bulbapedia, the community-driven Pokémon encyclopedia

Professor Elm - Bulbapedia, the community-driven Pokémon encyclopedia

Pikachu (Pokémon) - Bulbapedia, the community-driven Pokémon

Eusine - Bulbapedia, the community-driven Pokémon encyclopedia

Morty - Bulbapedia, the community-driven Pokémon encyclopedia

Ethan (game) - Bulbapedia, the community-driven Pokémon encyclopedia

Executive (Trainer class) - Bulbapedia, the community-driven