From Kanto To Galar: Every Pokémon Gym Leader, Ranked

While the characters have certainly changed over the last 20+ years, facing off against an assortment of Pokémon gym leaders is still one of the series' biggest staples. Starting with Kanto gym leaders like Brock and Misty up to Unova and Galar leaders like Marnie and Pieres, these tough trainers act as the main boss of the particular gym, and they often feature an assortment of powerful Pokémon you can't help but envy. Whether they're cocky, tough, arrogant, or simply annoying, this list ranks all the Pokémon gym leaders throughout the series, with your votes.

Arguably one of the most memorable leaders in the series, Giovanni is the big bad boss of Team Rocket and has appeared in numerous games over the years, while Nessa is one of the latest Pokémon female gym leaders who prefers water-type attacks. And while some gym leaders were so popular that they appeared in numerous generations, others were one and done.

From the early days of Red and Blue up to all the new leaders in Sword & Shield, check out this comprehensive list of all the gym leaders from all eight generations and vote up all your favorite and most memorable opponents.