31 Pokémon in Pokémon Blue that deal 2× damage toice
Hit it with
fightingrockfire
charmander
fire
charmeleon
fire
charizard
fireflying
vulpix
fire
ninetales
fire
mankey
fighting
primeape
fighting
growlithe
fire
arcanine
fire
poliwrath
waterfighting
machop
fighting
machoke
fighting
machamp
fighting
geodude
rockground
graveler
rockground
golem
rockground
ponyta
fire
rapidash
fire
onix
rockground
hitmonlee
fighting
hitmonchan
fighting
rhyhorn
groundrock
rhydon
groundrock
magmar
fire
flareon
fire
omanyte
rockwater
omastar
rockwater
kabuto
rockwater
kabutops
rockwater
aerodactyl
rockflying
moltres
fireflying