This demon guy in the clouds is the medieval Mulholland. William Mulholland was a water-services engineer in Southern California. He was born in Belfast, Ireland and immigrated to New York City in the 1870s. Mulholland worked as a miner in Arizona Territory before moving to the city that would build his reputation, Los Angeles. He was fictionalized in the best movie ever made...Chinatown. written by robert towne, directed by roman polanski, produced by robert evans, starring jack nicholson and faye dunaway and john huston, soundtrack by jerry goldsmith. 1974.