>Koffing
>koff (cough) + ing (short of engineering, which produces gases that makes one cough)
>Voltorb
>sounds like Voltaire
>Slowking
>slow (because his speed stat is slow) + king (a chess reference - the king piece can move only by one tile, referencing again the slow speed)
>Whirlipede
>pun on velocipede - Whirlipede looks like a bike wheel and it's whirling just like a bike wheel
>Malamar
>from Italian "malamore" which means "bad love", because Malamar is evil so it cannot love in a good way
>Pumpkaboo
>pump + kaboo(m) - it's pumping itself until it explodes (proof is that it can learn Explosion)
