1 - Bulbasaur
Bulbasaur is a Grass/Poison-type Pokémon.
2 - Ivysaur
Ivysaur is the evolved form of Bulbasaur, a Grass/Poison-type Pokémon.
3 - Venusaur
Venusaur is the final evolution of Bulbasaur, a massive Grass/Poison-type Pokémon.
4 - Charmander
Charmander is a Fire-type Pokémon resembling a small dinosaur with a flame on its tail.
5 - Charmeleon
Charmeleon is the evolved form of Charmander, a fierce Fire-type Pokémon.
6 - Charizard
Charizard is the final form of Charmander, a Fire/Flying-type Pokémon with a fierce reputation.
7 - Squirtle
Squirtle is a Water-type Pokémon that looks like a small turtle.
8 - Wartortle
Wartortle is the evolved form of Squirtle, a Water-type Pokémon with a strong shell.
9 - Blastoise
Blastoise is the final evolution of Squirtle, a Water-type Pokémon with powerful cannons.
10 - Caterpie
A small, green caterpillar Pokémon.
11 - Metapod
Metapod is the cocoon stage of Caterpie, a Bug-type Pokémon.
12 - Butterfree
Butterfree is a Bug/Flying-type Pokémon that evolves from Metapod.
13 - Weedle
Weedle is a small, Poison/Bug-type Pokémon with a stinger on its tail.
14 - Kakuna
Kakuna is the cocoon form of Weedle, a Bug/Poison-type Pokémon.
15 - Beedrill
Beedrill is a Bug/Poison-type Pokémon that evolves from Kakuna.
16 - Pidgey
Pidgey is a Normal/Flying-type Pokémon resembling a small bird.
17 - Pidgeotto
Pidgeotto is the evolved form of Pidgey, a Normal/Flying-type Pokémon.
18 - Pidgeot
Pidgeot is the final evolution of Pidgey, a majestic Normal/Flying-type Pokémon.
19 - Rattata
Rattata is a Normal-type Pokémon resembling a small rodent.
20 - Raticate
Raticate is the evolved form of Rattata, a Normal-type Pokémon.