This custom Corvette is billed as a tribute to the late Ed "Big Daddy" Roth, creator of the memorable Rat Fink character and a key player in the 1960's custom/hot rod movement in Southern California. The converted C3 features an open engine bay and a bubble-top roof, and the rear end is?well, you just have to see it. The Corvette was spotted outside the Las Vegas Convention Center where it will be on display at the SEMA show this week. A walk-around video is after the jump.