Tired: Klavier Gavin is an American pretending to have a German accent.

Wired: Klavier Gavin is an actual German with a thick German accent.

Inspired: Klavier Gavin is an actual German who everyone thinks is an American pretending to be German because his accent sounds fake, but the reality is he purposefully affected his natural accent as a teenager to be a part of his rockstar prosecutor image. This explains why he and Kristoph don’t talk the same way.