"Uh, yeah. I was in space before this- well, a ship. Living ship. Definitely not Earth. Are you from Earth?" He had to ask. Most people here were from Earth, but different versions. It was getting hard to te anymore.
"I was on the run with some escaped space-criminals after I accidentally ran into some guys ship. Kind of a long story," he frowned. "Promise I'm not dangerous. Maybe. Definitely crazy, but probably not dangerous." He offered a smile to Aziraphale to indicate he was joking. Mostly.
"Oh. Yeah. Wow. That's a helluva time to show up. You came with someone else, though?"