Yes! DS4 has a language he calls "his name language." (So if his name were Fred, he'd call it "Fred Language.")

He makes up words and tries to really use them. He's even got some basic rules of pronunciation/spelling and how to decide what to name things. His brother plays along, and they'll sometimes use words from "DS4 Language" to converse. I think it's hilarious!

Are you worried about it or amused?

Kriston