No, it's derived from an actual name. http://www.behindthename.com/name/guy http://www.behindthename.com/name/guy Just because there was someone famous with a

No, it's derived from an actual name. http://www.behindthename.com/name/guy http://www.behindthename.com/name/guy Just because there was someone famous with a name doesn't mean that name was derived from that famous person. It took on new meaning in the UK after that famous person became famous, but he didn't invent it. While we're here, he wasn't a failed terrorist. He was a failed assassin.