Verbally assaulted by the villain from Hamlet and by -- well, by a usually pleasant gentleman from, presumably, something. Aziraphale eyes them warily.

"If you must know," he says wearily. "Obviously, Claudius, yourself and Laertes. The Arthurian knights, naturally, are fictional, with multiple sources, even. Susan Pevensie; surely you knew that already, Mr. Nightingale. The unfortunate young French revolutionaries, as you've surmised. That's everyone I recognize, but I have good reason to believe Tress is fictional, as well. I haven't read her source material, and of course she wouldn't have known its name even if I'd asked."