This guy is terrific!

Accents

Separate from questions of accuracy (which I'm not able to assess for many/any of those), each one is obviously quite distinct from the others, and he does nail the stereotypes.

Which is a long-winded fancy way of saying "wow that was so cool!"



seriously though, I wish I could do that. it would make my linguistics classes a lot more performative funner.

Yeah, he's rather good. I can't judge Wales, but I thought he hit on some of the big differences in sound between German and Dutch. That was impressive.