Tatras were actually precursors of the Beetle design...
This one is actually older than the earliest KdF prototype...
Tatra sued Germany for design and copyright infringment... Just before Germany invaded Czechoslovakia. The lawsuit was refiled after the war, and VW settled out of court for an unspecified amount...
IMHO, the best looking Tatra remains the T600 from the early fifties...
The one in the Op is fugly but it is technically very interesting, you don't see rear mounted, air-cooled V-8s everyday...
Funny piece of trivia: German officers were banned from driving these cars during the German occupation as many fatalities resulted due to the... erm... interesting handling caracteristics of the rear-engined V8 monster...