Early English promotional Pokémon names
These are the "beta names" of all the Pokémon who had their names eventually changed. These names were used to refer to the Pokémon in promotions in the United States, before the final English-language versions of the games were released.
| Final Name | Beta Name |
|---|---|
| Kakuna | Kokoon |
| Pidgey | Pidge |
| Rattata | Rattatak |
| Ekans | Arbo |
| Sandslash | Sandstorm |
| Clefairy | Aria |
| Clefable | Ariala |
| Vulpix | Foxfire |
| Paras | Parasyte |
| Diglett | Digda |
| Growlithe | Flamie |
| Arcanine | Blaze |
| Abra | Hocus |
| Kadabra | Pocus |
| Machop | Kara-tee |
| Machoke | Kung-foo |
| Machamp | Ju-doh |
| Tentacool | Jilly |
| Tentacruel | Man O War |
| Rapidash | Gallop |
| Slowpoke | Slowmo |
| Magnemite | Coil |
| Magneton | Recoil |
| Doduo | Dodo |
| Dewgong | Manaty |
| Gastly | Spirit |
| Haunter | Spectre |
| Gengar | Phantom |
| Cubone | Orphon |
| Marowak | Guardia |
| Lickitung | Tonguetyd |
| Koffing | Ny |
| Weezing | La |
| Chansey | Lucky |
| Tangela | Meduza |
| Goldeen | Goldy |
| Seaking | Neptune |
| Scyther | Stryke |
| Gyarados | Skulkraken |
| Lapras | Ness |
| Eevee | Eon |
| Omanyte | Ess |
| Omastar | Kargo |
| Kabuto | Att |
| Kabutops | Lantis |
| Aerodactyl | Ptera |
| Dratini | Dragoon |
| Dragonair | Dragyn |