It's not exactly a secret that Pokemon's Gym Leaders never pose any meaningful challenge. Even on the rare occasion you find a Gym Leader with an interesting twist, like Raihan, Ryme or Tate & Liza, they're still saddled with teams that have to fit into a specific type or can't fully commit to their Gym's unique battling quirk. So let's fix that! Post any ideas for unique gym themes you have or talk about ones other anons have.
The only rules: no monotype teams and no slapping smogon sets onto existing Gym Leaders.