Latino/Hispanic

His French sounds pretty standard to my ear, but there are plenty of good sources in the US to learn the correct pronunciation. And his Italian sounds like the standard Italian you hear on the TV. I wish I could tell if his Portuguese and Romanian have some regional distinction to them. I'll bet when he does get a chance to travel to Europe, and if he does spend some time in Poland, that jezyk Chicago will disappear.

It's not a matter of teachers teaching it poorly. Teachers naturally pass on their own accent to the student. One thing that is great about modern technology and YouTube is that you can listen to plenty of native speakers. That way you don't find yourself speaking in some easily identifiable accent. Unless that is what you want.