Tyger (heraldry) to have its home in Hyrcania in Persia and its swiftness is supposed to have given its name to "tygris", the Persian word for "arrow", and to the swift River Tigris. If pursued by a tyger, it was supposed to be possible to get away from it by leaving a mirror, which would perplex the tyger. The spelling appears in William Blake's poem "The Tyger". Although his illustration is more like a real tiger than the mythical one, the two are completely different. Tyger (heraldry) Tyger, also known as heraldic tiger is a beast used as a charge in heraldry.
Red John FBI agent Reede Smith (Drew Powell) that corrupt officials use the term "Tyger, Tyger" to cover up dirty work done under law enforcement. Smith pretends to know nothing about "Tyger Tyger" until he shoots Kirkland in the back six times when pretending to free him from a prison transfer, after which he tells the driver, who belongs to the same organization, "Tyger Tyger". The driver replies with the same phrase. In the season 6 episode "The Red Tattoo", a woman named Kira Tinsley (Beth Riesgraf) is murdered by a man with a tattoo containing three dots - she reveals this