Gen 1:

Weak: (200-350)
Bulbasaur
Charmander
Squirtle
Caterpie
Metapod
Weedle
Kakuna
Pidgey
Pidgeotto
Spearow
Ekans
Pikachu
Sandshrew
NidoranFemale
NidoranMale
Clefairy
Jigglypuff
Vulpix
Zubat
Oddish
Paras
Venonat
Diglett
Meowth
Psyduck
Mankey
Growlithe
Poliwag
Abra
Machop
Bellsprout
Tentacool
Geodude
Slowpoke
Magnemite
Doduo
Seel
Grimer
Shellder
Gastly
Drowzee
Krabby
Voltorb
Exeggcute
Cubone
Koffing
Rhyhorn
Horsea
Goldeen
Staryu
Magikarp
Eevee
Dratini

Normal: (350-500)

Ivysaur
Charmeleon
Wartortle
Butterfree
Beedrill
Pidgeot
Raticate
Fearow
Arbok
Raichu
Sandslash
Nidorina
Nidorino
Clefable
Wigglytuff
Golbat
Gloom
Vileplume
Parasect
Venomoth
Dugtrio
Persian
Primeape
Poliwhirl
Kadabra
Machoke
Weepinbell
Victreebel
Graveler
Golem
Ponyta
Slowbro
Magneton
Farfetch’d
Dodrio
Dewgong
Haunter
Onix
Hypno
Kingler
Electrode
Marowak
Hitmonlee
Hitmonchan
Lickitung
Weezing
Rhydon
Chansey
Tangela
Kangaskhan
Seadra
Seaking
Mr. Mime
Jynx
Electabuzz
Magmar
Tauros
Porygon
Omanyte
Omastar
Kabuto
Kabutops
Dragonair

Strong: (500+)

Venusaur
Charizard
Blastoise
Nidoqueen
Nidoking
Ninetales
Arcanine
Poliwrath
Alakazam
Machamp
Tentacruel
Rapidash
Muk
Cloyster
Gengar
Exeggutor
Scyther
Pinsir
Gyarados
Lapras
Vaporeon
Jolteon
Flareon
Aerodactyl
Snorlax
Dragonite

Legendary:

Articuno
Zapdos
Moltres
Mewtwo
Mew

Gen 2:

Weak:

Chikorita
Cyndaquil
Totodile
Sentret
Hoothoot
Ledbya
Spinarak
Chinchou
Pichu
Cleffa
Igglybuff
Togepi
Natu
Mareep
Marill
Hoppip
Skiploom
Sunkern
Wooper
Unown
Pineco
Snubbull
Teddiursa
Slugma
Swinub
Remoraid
Delibird
Houndour
Phanpy
Smeargle
Tyrogue
Smoochum
Larvitar

Normal:

Bayleef
Quilava
Croconaw
Furret
Ledian
Ariados
Lantrun
Togetic
Xatu
Flaaffy
Bellossom
Azumarill
Sudowoodo
Jumpluff
Aipom
Sunflora
Yanma
Quagsire
Murkrow
Slowking
Misdreavus
Wobbuffet
Girafarig
Forretress
Dunsparce
Gligar
Granbull
Qwilfish
Sneasel
Magcargo
Piloswine
Corsola
Octillery
Mantine
Skarmory
Stantler
Hitmontop
Elekid
Magby
Miltank
Pupitar

Strong:

Meganium
Typhlosion
Feraligatr
Crobat
Ampharos
Politoed
Espeon
Umbreon
Scizor
Shuckle
Heracross
Ursaring
Houndoom
Kingdra
Donphan
Porygon2
Blissey
Tyranitar

Legendary:

Raikou
Entei
Suicune
Lugia
Ho-Oh
Celebi

Gen 3:

Weak:

Treecko
Torchic
Mudkip
Poochyena
Zigzagoon
Wurmple
Silcoon
Cascoon
Lotad
Lombre
Seedot
Nuzleaf
Taillow
Wingull
Ralts
Kirlia
Surskit
Shroomish
Slakoth
Nincada
Shedinja
Whismur
Makuhita
Azurill
Skitty
Aron
Meditite
Electrike
Gulpin
Carvanha
Numel
Spoink
Trapinch
Vibrava
Cacnea
Swablu
Barboach
Corphish
Baltoy
Feebas
Shuppet
Duskull
260
Snorunt
Spheal
Clamperl
Luvdisc
Bagon
Beldum


Normal:

Grovyle
Combusken
Marshtomp
Mightyena
Linoone
Beautifly
Dustox
Ludicolo
Shiftry
Swellow
Pelipper
Gardevoir
Masquerain
Breloom
Vigoroth
Ninjask
Loudred
Exploud
Hariyama
Nosepass
Delcatty
Sableye
Mawile
Lairon
Medicham
Manectric
Plusle
Minun
Volbeat
Illumise
Roselia
Swalot
Sharpedo
Wailmer
Camerupt
Torkoal
Grumpig
Spinda
Cacturne
Altaria
Zangoose
Seviper
Lunatone
Solrock
Whiscash
Crawdaunt
Lileep
Cradily
Anorith
Armaldo
Castform
Kecleon
Banette
Dusclops
Tropius
Chimecho
Absol
Glalie
Sealeo
Huntail
Gorebyss
Relicanth
Shelgon
Metang

Strong:

Sceptile
Blaziken
Swampert
Gardevoir
Slaking
Aggron
Wailord
Flygon
Claydol
Milotic
Walrein
Salamence
Metagross

Legendary:

Regirock
Regice
Registeel
Latias
Latois
Kyogre
Groudon
Rayquaza
Jirachi
Deoxys

Gen 4:

Weak:

Turtwig
Chimchar
Piplup
Starly
Staravia
Bidoof
Kricketot
Shinx
Budew
Cranidos
Shieldon
Burmy
Combee
Buizel
Cherubi
Shellos
Drifloon
Buneary
Glameow
Chingling
Stunky
Bronzor
Bonsly
Mime Kr.
Happiny
Gible
Riolu
Hippopotas
Skorupi
Croagunk
Finneon
Mantyke
Snover

Normal:

Grotle
Monferno
Prinplup
Staraptor
Bibarel
Kricketune
Luxio
Rampardos
Bastiodon
Wormadam
Mothim
Vespiquen
Pachirisu
Floatzel
Cherrim
Gastrodon
Ambipom
Drifblim
Lopunny
Mismagius
Purugly
Skuntank
Chatot
Spiritomb
Gabite
Munchlax
Toxicroak
Carnivine
Lumineon
Abomasnow
Froslass
Rotom

Strong:

Torterra
Infernape
Empoleon
Luxray
Roserade
Honchkrow
Bronzong
Garchomp
Lucario
Hippowdown
Drapion
Weavile
Magnezone
Lickilicky
Rhyperior
Tangrowth
Electivire
Magmortar
Togekiss
Yanmega
Leafeon
Glaceon
Gliscor
Mamoswine
PorygonZ
Gallade
Probopass
Dusknoir

Legendary:

Uxie
Mesprit
Azelf
Dialga
Palkia
Heatran
Regigigas
Giratina
Cresselia
Manaphy
Darkrai
Shaymin
Arceus

Gen 5:

Weak:

Snivy
Tepig
Oshawott
Patrat
Lillipup
Purrloin
Pansage
Pansear
Panpour
Munna
Pidove
Blitzle
Roggenrola
Woobat
Drilbur
Timburr
Tympole
Sewaddle
Venipede
Cottonee
Petilil
Sandile
Darumaka
Swebble
Scraggy
Yamask
Trubbish
Zorua
Minccino
Gothita
Solosis
Ducklett
Vanillite
Deerling
Karrablast
Foongus
Frillish
Joltik
Ferroseed
Klink
Tynamo
Elgyem
Litwick
Axew
Cubchoo
Shelmet
Golett
Pawniard
Deino

Normal:

Servine
Pignite
Dewott
Watchog
Herdier
Liepard
Simisage
Simisear
Simipour
Musharna
Tranquill
Unfezant
Zebstrika
Boldore
Swoobat
Audino
Gurdurr
Palpitoad
Throh
Sawk
Swadloon
Whirlipede
Scolipede
Whimsicott
Lilligant
Basculin
Krokorok
Darmanitan
Maractus
Crustle
Scrafty
Sigilyph
Cofarigus
Tirtouga
Carracosta
Archen
Garbodor
Cinccino
Gothorita
Gothitelle
Duosion
Reuniclus
Swanna
Vanillish
Vanilluxe
Sawsbuck
Emolga
Escavalier
Amoonguss
Jellicent
Alomomola
Galvantula
Ferrothorn
Klang
Eelektrik
Beheeyem
Lampent
Fraxure
Accelgor
Stunfisk
Mienfoo
Druddigon
Golurk
Bisharp
Bouffalant
Rufflet
Vullaby
Heatmor
Durant
Zweilous
Larvesta

Strong:

Serperior
Emboar
Samurott
Stoutland
Gigalith
Excadrill
Conkeldurr
Seismitoad
Leavanny
Krookodile
Archeops
Zoroark
Klinklang
Eelektross
Chandelure
Haxorus
Beartic
Cryogonal
Mienshao
Hydreigon
Volcarona

Legendary:

Victini
Cobalion
Terrakion
Virizion
Tornadus
Thundurus
Reshiram
Zekrom
Landorus
Kyurem
Keldeo
Meloetta
Genesect

Gen 6:

Weak:

Chespin
Fennekin
Froakie
Bunnelby
Fletchling
Scatterbug
Spewpa
Flabebe
Pancham
Honedge
Spritzee
Swirlix
Inkay
Binacle
Skrelp
Clauncher
Helioptile
Goomy
Phantump
Pumpkaboo
Bergmite
Noibat

Normal:

Quilladin
Braixen
Frogadier
Diggersby
Fletchinder
Talonflame
Vivillon
Litleo
Floette
Skiddo
Pangoro
Furfrou
Espurr
Meowstic
Doublade
Aromatisse
Slurpuff
Malamar
Dragalge
Heliolisk
Tyrunt
Amaura
Dedenne
Sliggoo
Klefki
Trevenant
Gourgeist

Strong:

Chesnaught
Braixen
Greninja
Pyroar
Florges
Gogoat
Aegislash
Barbaracle
Clawitzer
Tyrantrum
Aurorus
Sylveon
Hawlucha
Carbink
Goodra
Avalugg
Noivern

Legendary:

Xerneas
Yveltal
Zygarde
Diancie
Hoopa
Volcanion

Gen 7:

Weak:

Rowlet
Litten
Popplio
Pikipek
Yungoos
Grubbin
Crabrawler
Cutiefly
Rockruff
Wishiwashi
Mareanie
Dewpider
Fomantis
Morelull
Salandit
Stufful
Bounswear
Steenee
Wimpod
Sandygast
Jangmo-o
Cosmog
Meltan

Normal:

Dartrix
Torracat
Brionne
Trumbeak
Toucannon
Gumshoos
Charjabug
Crabominable
Oricorio
Ribombee
Lycanroc
Toxapex
Mudbray
Araquanid
Lurantis
Shiinotic
Salazzle
Comfey
Oranguru
Passimian
Palossand
Pyukumuku
Minior
Komala
Turtonator
Togedemaru
Mimikyu
Bruxish
Drampa
Hakamo-o
Cosmoem
Poipole

Strong:

Decidueye
Incineroar
Primarina
Vikavolt
Mudsdale
Bewear
Tsareena
Golisopod
Type:Null
Dhelmise
Kommo-o

Legendary:

Sivally
Tapu_Koko
Tapu_Lele
Tapu_Bulu
Tapu_Fini
Solgaleo
Lunala
Nihilego
Buzzwole
Pheromosa
Xurkitree
Celesteela
Kartana
Guzzlord
Necrozma
Magearna
Marshadow
Nagandel
Stakataka
Blachphalon
Zeraora
Melmetal