Koffing, the Poison Gas Pokémon can be found in the Anthian City Sewers and evolves into Weezing at level 35.

National № 109
Species Poison Gas Pokémon
Height 2′0″ (0.61m)
Weight 2.2 lbs (1.0 kg)
Abilities Levitate
Local № 109 (Red/Blue/Yellow/FireRed/LeafGreen)

114 (Gold/Silver/Crystal)
108 (Ruby/Sapphire/Emerald)
115 (HeartGold/SoulSilver)
046 (Black 2/White 2)
113 (Omega Ruby/Alpha Sapphire)

Japanese Dogasu

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