Rhyst Hawk was a human male in the 24th century. He lived in Bradbury City on Mars, and was a renowned horticulturist. He was a descendant of early Martian settlers who had fought in the War for Martian Independence, and displayed great pride in this heritage.

He was married to Camille Hawk, and had three sons: Darey, Jason, and Sean. (S31 novel: Rogue)