I'd say it's pretty likely, if any of them have ever even opened a web browser and typed www.google.com.

Come on, who doesn't Google themselves? And stuff they've been involved with? They totally know, and it probably amuses the hell out of them, judging by their behaviour. If it bothered them, I'd say they'd probably be all, "OMG CHRIS DON'T TOUCH ME" and "CRAIG, YOU SMELL, GET AWAY."