Otto Nopp goes by Masar.
Otto Preminger went by Otto the Ogre.
Otto Velez goes by Otto the Swatto.
Otto Wanz goes by Big Otto.
Otto Frank went by Pim.
Gus Otto goes by A.J..
Judy Otto goes by Ottomatic.
Otto Graf Lambsdorff went by Rffel.
Otto von Bismarck went by The Iron Chancellor.
Otto Jespersen goes by the nickname "Otto" or "Otto Jr." in his comedy sketches and performances.
Wolfgang Kleff goes by Otto.
Otto Graham was often referred to as "Automatic Otto" or "The Bay Village Bomber" during his time as a quarterback in the NFL.
Steve Merlo goes by Marsh Merlo, Ralph, and Otto.