Splendid. May I suggest Karla? It's the code name of the main antagonist, a loyal Soviet intelligence officer who machinates almost entirely behind the scenes.

[ Appropriate for a bird that will mostly spend its time spying, he assumes. Though, is this too oblique as a reference? Maybe he should explain. Harold levers himself to his feet, feeling the seriousness of the conversation start to mercifully fade. ]

It amuses me to think that Greer would have known the reference and absolutely hated it.

[ Normally he doesn't speak ill of the dead, but if anyone's earned the exception, it's Greer. What an insufferable, infuriating, smug man. ]