Koffing

Koffing is a rare Poison-type Pokémon from Kanto region. It evolves into Weezing when fed with 50 candies.

Pokédex description
Poison Gas Pokémon

''If Koffing becomes agitated, it raises the toxicity of its internal gases and jets them out from all over its body. This Pokémon may also overinflate its round body, then explode.''

Evolution family
Koffing is the part of a two-member family.

Trivia

 * On August, 2016, its attack Acid was removed as a possible fast attack.