...yes, Isaac, those things. As for why we're training them, some say it's for a chance to return home - supposedly, if you collect all of the badges and defeat some group of people called the Elite Four, you're given the opportunity to return to your world of origin.

Of course, there's a high probability that that's utter lies; most here seem to be doing it for the challenge - to give themselves something to do while they're here and all.