corrosive gas

#045

vileplume

#073

tentacruel

#092

gastly

#093

haunter

#094

gengar

#109

koffing

#110

weezing

#151

mew

#434

stunky

#435

skuntank

#454

toxicroak

#568

trubbish

#569

garbodor

#758

salazzle

#793

nihilego

#799

guzzlord