Red/Blue Gym Leaders & Elite Four

Gym #1, Pewter City

Brock
Boulder Badge
Rock type Pokémon

#074
Geodude
Level 12
Rock · Ground

#095
Onix
Level 14
Rock · Ground

Gym #2, Cerulean City

Misty
Cascade Badge
Water type Pokémon

#120
Staryu
Level 18
Water

#121
Starmie
Level 21
Water · Psychic

Gym #3, Vermilion City

Lt. Surge
Thunder Badge
Electric type Pokémon

#100
Voltorb
Level 21
Electric

#025
Pikachu
Level 18
Electric

#026
Raichu
Level 24
Electric

Gym #4, Celadon City

Erika
Rainbow Badge
Grass type Pokémon

#071
Victreebel
Level 29
Grass · Poison

#114
Tangela
Level 24
Grass

#045
Vileplume
Level 29
Grass · Poison

Gym #5, Fuchsia City

Koga
Soul Badge
Poison type Pokémon

#109
Koffing
Level 37
Poison

#109
Koffing
Level 37
Poison

#089
Muk
Level 39
Poison

#110
Weezing
Level 43
Poison

Gym #6, Saffron City

Sabrina
Marsh Badge
Psychic type Pokémon

#064
Kadabra
Level 38
Psychic

#122
Mr. Mime
Level 37
Psychic · Fairy

#049
Venomoth
Level 38
Bug · Poison

#065
Alakazam
Level 43
Psychic

Gym #7, Cinnabar Island

Blaine
Volcano Badge
Fire type Pokémon

#058
Growlithe
Level 42
Fire

#077
Ponyta
Level 40
Fire

#078
Rapidash
Level 42
Fire

#059
Arcanine
Level 47
Fire

Gym #8, Viridian City

Giovanni
Earth Badge
Ground type Pokémon

#111
Rhyhorn
Level 45
Ground · Rock

#051
Dugtrio
Level 42
Ground

#031
Nidoqueen
Level 44
Poison · Ground

#034
Nidoking
Level 45
Poison · Ground

#112
Rhydon
Level 50
Ground · Rock

Elite Four #1

Lorelei
Ice type Pokémon

#087
Dewgong
Level 54
Water · Ice

#091
Cloyster
Level 53
Water · Ice

#080
Slowbro
Level 54
Water · Psychic

#124
Jynx
Level 56
Ice · Psychic

#131
Lapras
Level 56
Water · Ice

Elite Four #2

Bruno
Fighting type Pokémon

#095
Onix
Level 53
Rock · Ground

#107
Hitmonchan
Level 55
Fighting

#106
Hitmonlee
Level 55
Fighting

#095
Onix
Level 56
Rock · Ground

#068
Machamp
Level 58
Fighting

Elite Four #3

Agatha
Ghost type Pokémon

#094
Gengar
Level 56
Ghost · Poison

#042
Golbat
Level 56
Poison · Flying

#093
Haunter
Level 55
Ghost · Poison

#024
Arbok
Level 58
Poison

#094
Gengar
Level 60
Ghost · Poison

Elite Four #4

Lance
Dragon type Pokémon

#130
Gyarados
Level 58
Water · Flying

#148
Dragonair
Level 56
Dragon

#148
Dragonair
Level 56
Dragon

#142
Aerodactyl
Level 60
Rock · Flying

#149
Dragonite
Level 62
Dragon · Flying

Champion

Blue
(Bulbasaur as starter)
Mixed types

#018
Pidgeot
Level 61
Normal · Flying

#065
Alakazam
Level 59
Psychic

#112
Rhydon
Level 61
Ground · Rock

#103
Exeggutor
Level 61
Grass · Psychic

#130
Gyarados
Level 63
Water · Flying

#006
Charizard
Level 65
Fire · Flying

Blue
(Charmander as starter)
Mixed types

#018
Pidgeot
Level 61
Normal · Flying

#065
Alakazam
Level 59
Psychic

#112
Rhydon
Level 61
Ground · Rock

#059
Arcanine
Level 61
Fire

#103
Exeggutor
Level 63
Grass · Psychic

#009
Blastoise
Level 65
Water

Blue
(Squirtle as starter)
Mixed types

#018
Pidgeot
Level 61
Normal · Flying

#065
Alakazam
Level 59
Psychic

#112
Rhydon
Level 61
Ground · Rock

#130
Gyarados
Level 61
Water · Flying

#059
Arcanine
Level 63
Fire

#003
Venusaur
Level 65
Grass · Poison