All Pokémon Characters – Generation I (Kanto Region) Full List and Evolution Lines
The original 151 Pokémon from the Kanto region laid the foundation for everything that followed in the Pokémon universe. From iconic starters like Charizard to legendary birds like Zapdos, this generation introduced types, evolutions, and a legacy that still defines the trading card and gaming world today.
This article lists all Generation I Pokémon by National Dex order, along with their evolution paths and defining traits. This format is ideal for collectors, TCG players, and fans wanting a quick reference to the full original lineup.
Kanto Region Pokémon (001–151)
- Bulbasaur → Ivysaur → Venusaur
- Charmander → Charmeleon → Charizard
- Squirtle → Wartortle → Blastoise
- Caterpie → Metapod → Butterfree
- Weedle → Kakuna → Beedrill
- Pidgey → Pidgeotto → Pidgeot
- Rattata → Raticate
- Spearow → Fearow
- Ekans → Arbok
- Pikachu → Raichu (Pichu introduced Gen II)
- Sandshrew → Sandslash
- Nidoran♀ → Nidorina → Nidoqueen
- Nidoran♂ → Nidorino → Nidoking
- Clefairy → Clefable (Cleffa introduced Gen II)
- Vulpix → Ninetales
- Jigglypuff → Wigglytuff (Igglybuff introduced Gen II)
- Zubat → Golbat (→ Crobat in Gen II)
- Oddish → Gloom → Vileplume / Bellossom (Bellossom in Gen II)
- Paras → Parasect
- Venonat → Venomoth
- Diglett → Dugtrio
- Meowth → Persian
- Psyduck → Golduck
- Mankey → Primeape
- Growlithe → Arcanine
- Poliwag → Poliwhirl → Poliwrath / Politoed (Politoed in Gen II)
- Abra → Kadabra → Alakazam
- Machop → Machoke → Machamp
- Bellsprout → Weepinbell → Victreebel
- Tentacool → Tentacruel
- Geodude → Graveler → Golem
- Ponyta → Rapidash
- Slowpoke → Slowbro / Slowking (Slowking in Gen II)
- Magnemite → Magneton (→ Magnezone in Gen IV)
- Farfetch’d (No evolution in Gen I)
- Doduo → Dodrio
- Seel → Dewgong
- Grimer → Muk
- Shellder → Cloyster
- Gastly → Haunter → Gengar
- Onix (→ Steelix in Gen II)
- Drowzee → Hypno
- Krabby → Kingler
- Voltorb → Electrode
- Exeggcute → Exeggutor
- Cubone → Marowak
- Hitmonlee / Hitmonchan (→ Tyrogue in Gen II)
- Lickitung (→ Lickilicky in Gen IV)
- Koffing → Weezing
- Rhyhorn → Rhydon (→ Rhyperior in Gen IV)
- Chansey (→ Blissey in Gen II)
- Tangela (→ Tangrowth in Gen IV)
- Kangaskhan (No evolution in Gen I)
- Horsea → Seadra (→ Kingdra in Gen II)
- Goldeen → Seaking
- Staryu → Starmie
- Mr. Mime (→ Mime Jr. in Gen IV)
- Scyther (→ Scizor in Gen II)
- Jynx (→ Smoochum in Gen II)
- Electabuzz (→ Elekid in Gen II, → Electivire in Gen IV)
- Magmar (→ Magby in Gen II, → Magmortar in Gen IV)
- Pinsir (No evolution in Gen I)
- Tauros (No evolution in Gen I)
- Magikarp → Gyarados
- Lapras (No evolution in Gen I)
- Ditto (No evolution in Gen I)
- Eevee → Vaporeon / Jolteon / Flareon (More in later gens)
- Porygon (→ Porygon2 in Gen II, → Porygon-Z in Gen IV)
- Omanyte → Omastar
- Kabuto → Kabutops
- Aerodactyl (No evolution in Gen I)
- Snorlax (No evolution in Gen I)
- Articuno (Legendary)
- Zapdos (Legendary)
- Moltres (Legendary)
- Dratini → Dragonair → Dragonite
- Mewtwo (Legendary)
- Mew (Mythical)
FAQs About Gen I Pokémon
How many Pokémon are in Gen I? There are 151 original Pokémon introduced in the Kanto region.
Which Pokémon have no evolutions in Gen I? Farfetch’d, Kangaskhan, Tauros, Ditto, Lapras, Aerodactyl, Snorlax, Mewtwo, and Mew have no evolution lines in the original generation.
Which Gen I Pokémon evolve in later generations? Many Gen I Pokémon received evolutions or baby forms in later gens, including:
- Onix → Steelix
- Scyther → Scizor
- Electabuzz → Electivire
- Magmar → Magmortar
Who are the most popular Gen I Pokémon? Charizard, Pikachu, Eevee, Gengar, Snorlax, and Mewtwo consistently top fan polls and remain valuable in both the TCG and media franchises.