Gym leaders in the Pokémon games are often touted as these great challenges trainers will have to face on their journey, but in a lot of cases, it’s a simple game of Rock Paper Scissors to weaken each gym’s signature Pokémon type. Because most of them are simple affairs, when a gym leader sticks out as a challenge, they really stay with the Pokémon community. Today, we’re paying tribute to the meanest, the toughest, and the most challenging gym leaders in each of the mainline games.

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