Robert Girvin goes by Bob.
Robert Rickert goes by Robert, and Bob.
Robert Shaye goes by Bob.
Robert Baglia goes by Bob.
Robert Picardo goes by Bob.
Robert Render goes by Robbie.
Robert Erixon goes by Bryce.
Robert Aliaj goes by Dragot.
Robert Conder goes by Bob.
Robert Krauss goes by Rob.
Robert MacNeil goes by Robin.
Robert Mallin goes by Bobby.
Robert Kustosik goes by Q.