Zwerg was a German vehicle brand associated with two separate manufacturers in the early 1920s. The name was first used by the Munich-based firm Zwerg Autobau Wilh. Hangarter, a small car and motorcycle factory, which in 1924 acquired the facilities of the recently bankrupted Minimus Fahrzeug GmbH. The cars produced under the Zwerg name were modified versions of the Opel 4/12 PS, known as the "Laubfrosch." The number of vehicles…