Dexter

The name of the main character, "Dexter," is also a Latin word meaning "right hand." The implied complement is the Latin for "left hand," "sinister," reflecting his hidden dark side. In 2010 author Jeff Lindsay confirmed at a book signing in Edinburgh that he chose the name Dexter because it was the opposite of "sinister", reflecting the character's surface normality.

Series star Michael C. Hall revealed he was afflicted with Hodgkin's lymphoma in January 2010, but continued to work on the series. Most of his fellow cast members were surprised by the news, because he had not disclosed his condition during production.

Dexter's character always wears light-colored shirts to work, but is always in dark colors when he's a "dark passenger".