He blinked. "Oh. Uh. Roman emperor who was famous for being a fucking lunatic. He ran Rome like it was his own personal little murder sex dungeon, tried to make his favorite horse a magistrate, and was ultimately assassinated by his own guards, because of course he was."

"Come to think of it, I don't actually know any demons that take on equine forms. You'd think there would be, we've got goats and spiders and wolves and every fucking aquatic creature you can think of, but for some reason no horses. Weird."