Daniel Cerone (Earth-1: Pre-Crisis)

Daniel Cerone was the creator of John Constantine's show along with David Goyer.

Biography
At one point, NBC made a show about John Constantine which was created by David Goyer and Daniel Cerone. However, they were going to cancel it due to David and Daniel going missing, which caused John to investigate the case. John later discovered their disappearance was due to the Rising Darkness.