* Articuno: An Ice-type Legendary bird Pokémon that can be found in the Seafoam Islands.
* Zapdos: An Electric-type Legendary bird Pokémon that can be found on Power Plant.
* Moltres: A Fire-type Legendary bird Pokémon that can be found in the Victory Road.
* Mewtwo: A Psychic-type Legendary Pokémon that can be found in the Cerulean Cave.
* Mew: A Psychic-type Mythical Pokémon that can only be obtained through special events or glitches.
Note: Mew is not obtainable in the standard game through normal gameplay.