Generation 1 · Kanto

Gen 1 Poison-type Pokémon

There are 33 Poison-type Pokémon in Generation 1, the Kanto generation. 10 are pure Poison and 23 have a second type.

All 33 Gen 1 Poison-type Pokémon

#	Pokémon	Type	Total
#0001	Bulbasaur	Grass/Poison	318
#0002	Ivysaur	Grass/Poison	405
#0003	Venusaur	Grass/Poison	525
#0013	Weedle	Bug/Poison	195
#0014	Kakuna	Bug/Poison	205
#0015	Beedrill	Bug/Poison	395
#0023	Ekans	Poison	288
#0024	Arbok	Poison	448
#0029	Nidoran♀	Poison	275
#0030	Nidorina	Poison	365
#0031	Nidoqueen	Poison/Ground	505
#0032	Nidoran♂	Poison	273
#0033	Nidorino	Poison	365
#0034	Nidoking	Poison/Ground	505
#0041	Zubat	Poison/Flying	245
#0042	Golbat	Poison/Flying	455
#0043	Oddish	Grass/Poison	320
#0044	Gloom	Grass/Poison	395
#0045	Vileplume	Grass/Poison	490
#0048	Venonat	Bug/Poison	305
#0049	Venomoth	Bug/Poison	450
#0069	Bellsprout	Grass/Poison	300
#0070	Weepinbell	Grass/Poison	390
#0071	Victreebel	Grass/Poison	490
#0072	Tentacool	Water/Poison	335
#0073	Tentacruel	Water/Poison	515
#0088	Grimer	Poison	325
#0089	Muk	Poison	500
#0092	Gastly	Ghost/Poison	310
#0093	Haunter	Ghost/Poison	405
#0094	Gengar	Ghost/Poison	500
#0109	Koffing	Poison	340
#0110	Weezing	Poison	490

This list counts species only, so alternate forms such as Mega Evolutions and regional forms are not shown.

Strongest and fastest

Strongest: Venusaur (base stat total 525).

Fastest: Gengar (base Speed 110).

Gen 1 Poison facts

Poison is the most common type in Generation 1.
No generation has added more Poison types than Gen 1.
Bulbasaur was the first Grass/Poison Pokémon, Weedle the first Poison/Bug, and Nidoqueen the first Poison/Ground.
Bulbasaur, at #0001, is the first Poison type in the National Pokédex.
Heaviest: Venusaur (100 kg). Tallest: Arbok (3.5 m). Smallest: Weedle (0.3 m).
13 are first-stage Pokémon and 12 are the last stage of their line.

Dual types

Grass/Poison: Bulbasaur, Ivysaur, Venusaur, Oddish, Gloom, Vileplume, Bellsprout, Weepinbell and Victreebel
Poison/Bug: Weedle, Kakuna, Beedrill, Venonat and Venomoth
Poison/Ghost: Gastly, Haunter and Gengar
Water/Poison: Tentacool and Tentacruel
Poison/Ground: Nidoqueen and Nidoking
Poison/Flying: Zubat and Golbat

First partner Pokémon

First partner Pokémon are the ones a trainer can choose at the start of a main game, plus the Pokémon they evolve into. In this list: Bulbasaur, Ivysaur and Venusaur.