Emil Graf was a male human cartographer. He was the grandson of Milo Graf, who, along with his sister Lina, was involved in a series of misadventures early in the reign of the Galactic Empire. Along with his Kowakian monkey-lizard Noni, his BB unit BB-00, and the monster droid CR-8R, Graf travelled across Wild Space in the Imperial prototype scout ship Star Herald, which he inherited from his grandfather and great-aunt.