This is that Roger Corman and Syfy Channel’s schlockfest — a Navy-engineered killing machine that’s a shark in a dress made of tentacles — I told you about earlier this year. It capitalizes on the straight-to-video pic Mega Shark vs Giant Octopus on Yahoo’s Top 10 most viewed trailers of 2009. So Karen O’Hara, Syfy’s boss of original movies, announced via Twitter a greenlight for the long gestating Sharktopus! Love that Corman, who’s already made Supergator, Dinocroc, and Dinoshark, has given the pic a fab Beach Blanket Bingo vibe. (In answer to your queries, that theme song was done by director Declan O’Brien’s two nieces and their band, the Cheetah Whores):