Though his place in pop culture was assured in the early 1960s when he began operating and voicing many of the most memorable Muppets – including Cookie Monster, Bert, Fozzie the Bear, and his most famous creation, Miss Piggy – puppeteer Frank Oz established an impressive second career as a director of such eclectic films as “Little Shop of Horrors” (1986), “Dirty Rotten Scoundrels” (1988), “Bowfinger” (1999), and “Death at a Funeral” (2007). He also endeared himself to countless “Star Wars” fans as the voice of the Jedi master Yoda in both “The Empire Strikes Back” (1980) and “Return of the