Share Content Published January 29, 2018 1966 Mongrel T This car was built by the legendary "kustom" car designer George Barris in 1966. It was used in the movie "Easy Come, Easy Go" – it features surfboards as seatbacks, shag upholstery, a "Go-Go" buton on the dashboard, a meat thermometer temperature gauge and orange porch lamps. After the movie it was repurposed as the Jokermobile on the "Batman" TV series. 1966 car easy come easy go elvis mongrel motors movie museum presley roadster surfboard car tour