Dwight is tricked into thinking he’s Assistant Regional Manager when Michael says that he is Assistant to the Regional Manager. This is often referenced throughout all of the show's nine seasons. I love it when other characters interject, “to the” when Dwight calls himself the Assistant Regional Manager.
There are several versions of this design, including: Speech Language Pathologist, Assistant (to the) Speech Language Pathologist, Speech Therapist, and Assistant (to the) Speech Therapist. Click here to see the Speech Therapist version.