Sometimes it's Just Too Easy

Prompt from Tumblr: A paranormal investigation team investigates Aziraphale's bookshop, and Aziraphale and Crowley spend the whole time messing with them. I took this idea and ran with it.

"Yes, hi, are you the owner of this store?" a man asked loudly. American, judging from the accent.

Aziraphale's reply was clipped, but he confirmed he did indeed own the place.

"Have you noticed any... unusual activity?" Another American piped in, just as loud as the first man.

"Like what?" Aziraphale's voice was a little higher now.

"Flickering lights, cold spots..."

"Tapping in the walls, sulfur smell?"

"Books falling off the shelves by themselves?"

"No, no, nothing like that," Aziraphale squeaked. Crowley could clearly picture him waving his hand dismissively.

"Ed and Harry, professional paranormal investigators. We were on vacation when we heard there was demonic activity in the area," Glasses introduced, indicating himself as Ed.

"Professionals," Harry repeated.

Glasses - Crowley thought it was much better name - presented a business card.

"Ghostfacers?"