Here is a photograph of the Metatron's trailer. Next to it is a very rumpled showrunner. Next to it is our Metatron, an unrumpled Sir Derek Jacobi. "It's not every day you get to play the Voice of God," he said. #GoodOmens pic.twitter.com/9Vt6CXg2Cr
— Neil Gaiman (@neilhimself) December 15, 2017
In the novel, Metatron is described as “The Voice of God. But not the voice of God. An entity in its own right. Rather like a Presidential spokesman.”