Erik Graul was an industrialist during the First World War and an ally of the Daleks. Graul met a Dalek who informed him his son Heinrich Graul was dead and it offered revenge to find a way to win the war and avenge his son. Unknown to him, the Daleks were the true murderers of Heinrich. He presented a German Proto-Dalek to his guests. The Eleventh Doctor, Edward Anderson and Hellcombe accidentally arrived to his factory via a Dalek Transmat portal and goes to Graul's office to convince him to stop the Dalek Project. But he refused and activates the robotic Proto-Daleks as they fled. During the final stage of the Dalek Project, Graul was furious and demanded the production line shut down. but the Dalek exterminated him. (COMIC: The Dalek Project)