John caught a brief glimpse of the eyes behind those sunglasses. Snake like... They were similar to a Demon he had once met. The Tempter. The serpent who entered the Garden of Eden. Johns memories of that time were fuzzy and with good reason. He had been fighting against Demonic possession. But this man looked quite different. Of course, Demons didn't always wear the same face and some of them mounted up names over the years, sometimes in an effort to keep their true names shrouded.
"Haven't caught any..."John said, shrugging as he took a nip from the flask before pocketing it. "Found one though" he added, smirking at Crowley. Taking a chance, he asked, "So, how's things been since Eden?".