Dr. Arastoo Vaziri (Season 4–) is a lab assistant first appearing in the episode "The Salt in the Wounds". He is one of the interns who came to the lab in the absence of Zack Addy. Originating from Iran, he is a devout Muslim and prays five times a day. Expecting others would find it odd that he is both a scientist and very religious (a suspicion his co-workers later confirmed), Vaziri decides to put on a false accent to sound "fresh off the boat" and thus make his religious devotion seem like an irrelevant byproduct of his heritage. In Beautiful Day in the Neighborhood, he slips up, and his secret is revealed first to Dr. Saroyan, and then to the rest of the team (and the audience). When asked if she noticed anything strange about Arastoo's accent, Brennan says she thought it was odd that