[He thinks about that last bit, then a strange conclusion comes to him of what she must mean.]

Oh! That's 'cause their names are what they are! Snorlax is a snorlax, and Saur is an Ivysaur. Saur used to be a bulbasaur, but I always called her Saur so much so it stuck.

Your place's pokémon must do the same. Right?

[Talk by saying their name over and over?? Even if she did just say they don't speak...]