Hollis Mason is a costumed vigilante from the Minutemen era of the graphic novel Watchmen and later reappeared in the sequel WatchmeX. Hollis was killed in the end of Watchmen but was revived in WatchmeX as a strapping young man. Over the course of his time as a vigilante he took on two names: The original Nite Owl and in WatchmeX the KnightOwl.