"Hmm... Zhis isn't the Omniscience club! I muzht've taken a wrong turn somewhere around... ah... how embarrazhing."
The man looks down at the incapacitated brute at his feet.
"I'm terribly zhorry for zhat, it would zheem zhat you spoke zee truth all along."
And with that he turns around and leaves the gritty reception hall while whistling on a jaunty tune. Left on the seat on which he sat moments prior is a simple identification card with a small picture of an old man wearing a mischievous smile and a spark of youthfulness in his eyes, and underneath is is written "Professor Hanibal Zarkov - Certified Gate Technician".