Ooh. He did it. A good contribution vaguely related to something technological.

That's a feather in the proverbial cap.

It would be a lie to say he isn't a little bit used to colleagues losing enthusiasm when they realize he's present. From humans, he's never particularly found it troubling.

"Oh-- Aziraphale. Terribly sorry. Mister Fell, if that's a bit too much of a mouthful. It's a pleasure to meet you. Might have done sooner, but they do have an awfully large staff on the premises, don't they?"