Behemoth (something of monstrous size or power) is the nickname Dennis and Donna Fabinski had displayed with their 1969 Chevy Impala SS convertible, which was painted blue by Tom Miller in Orlando, and runs a 427 engine. The display sign also said These cars were the last full size SSs till 1994 and the last of the 427s. All 1969 Impala SS are 427s, this one is a 390hp version. There were less than 2,500 made and only a small number of convertibles.