Your Dex tells you all about them. You should check it out.

[Rise walks over to her little group, and as she introduces them, they get headpats.]

Ume is an Oshawott, this little Piplup right here is Naoto. Then we've got Kairyu the Dragonair, Jin is the Glaceon.... and last, the one I told you about.

[The Meowstic steps forward and bows. If Teddie notices, she's wearing pink socks today.]

This is Nanako!

[Curiosity gets the better of Nanako, so she steps right up to Cho. Hi there.]