[Air is for the weak...!! Rather, it doesn't seem to occur to him that speaking as quickly as his mind is working makes it hard for other people to keep up.]

I did ask, of course. But I couldn't follow them on their journeys, since I had several things I was concerning myself with as well. They told me a lot about their trainers.

[Meaning he talked to the Pokemon more than the trainers.]

Yes, they are. They're the creatures of my world. The word most often used by others in this place seems to be 'animals', but Pokemon can be plants as well.