Oh, I don't know. I prefer to think that when they're at home, the Silent Brothers are much like us. Playing practical jokes in the Silent City, making toasted cheese-" "I hope they play charades," said Tessa Dryly. "It would seem to take advantage of their natural talents.
Cassandra Clare (2013). “The Infernal Devices: Clockwork Angel; Clockwork Prince; Clockwork Princess”, p.505, Simon and Schuster