>Team Rocket – the mafia, based in a casino, stage huge raids on major landmarks
>Teams Aqua and Magma – eco-terrorists trying to awaken primordial beings, end up realizing they probably shouldn't have done that
>Team Snagem – generic criminal gang, built a machine that makes it possible to catch someone else's Pokemon
>Cipher – mad scientist supervillains, turn Pokemon into heartless fighting machines, their higher-ups are disguised as respected members of society, their boss wasn't really their boss
>Team Galactic – some kind of apocalyptic cult? messing with forces beyond their comprehension in an attempt to unmake reality, it's confusing
>Team Plasma – PETA, actually a front for a world takeover scheme, end up splitting in half with one half actually trying to do good in the world and the other half wrangling a monster dragon
>Team Flare – Nazi scientists, you either join their ranks or die, trying to reactivate an ancient weapon of mass destruction
>Team Skull – street punks, took over a town, not an actual threat, their leader is a pretty chill dude
>Aether Foundation – the Humane Society if it were taken over by Cthulhu, open interdimensional portals dropping alien monsters all over the place
>Team Yell – overly-enthusiastic fans, obstruct the other league challengers to increase their girl's chances of facing the champion, they finally chill out after she gives them a good talking to
>Macro Cosmos – I have no fucking idea, something about wishing stars, something about sustainable energy, and then a poison dragon that looks like Leviathan from Appmon shows up and turns into a giant evil crane game machine
