Which flying mammal of the order Chiroptera completes the simile "blind as a ___"?

Which blended-language term was also the title of a 2004 Adam Sandler film? Bleu des Causses, matured in natural caves in southern France, is a type of what? In the restaurant chain IHOP, what does the letter H stand for? Which actor who played Gopher on "The Love Boat" later served as a U.S. representative from Iowa? Gene Hackman plays a blind hermit who entertains Peter Boyle's monster in which 1974 comedy? Which actor won an Oscar playing blind, retired Lt. Col. Frank Slade in "Scent of a Woman"? Wolf Blitzer began his career in 1972 with which news agency named for the German-born man who founded it in 1851? Which actress played blonde showgirl Lorelei Lee from Little Rock in the 1953 film "Gentlemen Prefer Blondes"?