RG-5 Promotional Robot from WKRGs 1981 - 1983 - RG-5: It's just the last 3 characters of the station's name! There was a mail-in contest in late '81. Kids could write-in with their suggested name and you can guess how bad the other entries must have been if "RG-5" was the winning name.
Source: internet, My Collection - Updated 07-14-2015
