List of the best Poison Pokemon, ranked by Pokemon Masters like you. This greatest Poison type Pokemon list includes monsters from every generation, so you can vote on everything from Venusaur to Toxicroak. Not every Pokemon on this list is a pure Poison type, as many are half or secondary Poison types. Poison types have very strong defense, and are often associated with villains in the series, such as Team Rocket.If you want to know, "What are the best Poison Pokemon?" or "What are the top Poison type Pokemon?" then this list will help you out. If one of your favorite Poison type Pokemon are missing from the list, feel free to add them at the bottom.