Her er noen Pokémon du *kan* finne i FireRed:
* Normal type: Pidgey, Rattata, Spearow, Zubat, Meowth, Ekans, Mankey, Growlithe, Abra, Machop, Bellsprout, Oddish, Ponyta, Farfetch'd, Dratini, Lickitung, Chansey, Ditto, Snorlax, Hitmonlee, Hitmonchan, Scyther, Jynx, Mr. Mime, Tauros, Tauros
* Kampetype: Mankey, Machop, Hitmonlee, Hitmonchan
* Flygende type: Pidgey, Spearow, Zubat, Doduo, Dodrio, Fearow, Pidgeotto, Farfetch'd
* Gifttype: Ekans, Koffing, Weezing, Venonat, Venomoth, Grimer, Muk, Nidoran (F), Nidorina, Nidoqueen, Nidoran (M), Nidorino, Nidoking
* Grunntype: Diglett, Dugtrio, Sandshrew, Sandslash
* Rock Type: Geodude, Graveler, Golem, Onix
* Bug Type: Caterpie, Metapod, Butterfree, Weedle, Kakuna, Beedrill, Scyther
* Spøkelsestype: Gastly, Haunter, Gengar
* Ståltype: (Ikke i FireRed)
* Branntype: Charmander, Charmeleon, Charizard, Vulpix, Ninetails, Growlithe, Arcanine, Ponyta, Rapidash
* Vanntype: Squirtle, Wartortle, Blastoise, Psyduck, Golduck, Poliwag, Poliwhirl, Poliwrath, Tentacool, Tentacruel, Shellder, Cloyster, Horsea, Seadra, Kingler, Lapras
* Gresstype: Bulbasaur, Ivysaur, Venusaur, Oddish, Gloom, Vileplume, Bellsprout, Weepinbell, Victreebel
* Elektrisk type: Pikachu, Raichu, Pichu, Magnemite, Magneton, Voltorb, Elektrode
* Psykisk type: Abra, Kadabra, Alakazam, Drowzee, Hypno, Mr. Mime, Jynx
* Istype: (Ikke i FireRed)
* Dragetype: Dratini, Dragonair, Dragonite
* Mørk type: (Ikke i FireRed)
* Fairy Type: (Ikke i FireRed)
Du kan finne Skitty i senere spill som Pokemon Ruby and Sapphire, Pokemon Diamond and Pearl og Pokemon Black and White.