Poison-types were more common than any other type of Pokémon in PokémonRed, Blue, and Yellow. While this is no longer true, it's for the best, as the typing has come to value quality over quantity.

One of the newer additions to the Pokedex overall was added in the Mega Dimension DLC for Pokemon Legends: Z-A, and you'll find plenty to love about the dual type Poison and Normal-type Pokemon, ...