From Wikipedia, the free encyclopedia. Sandy Collora (born August 8, 1968) is an American film director and design artist, best known for the independent short film Batman: Dead End. Collora was born in Brooklyn, New York. After freelance assignments in comic books and gaming magazines, at age 17 he moved to Los Angeles to pursue his dreams in Hollywood. In 1988, after Collora landed a job at Stan Winston Studios on Leviathan, he became known as a creature designer and sculptor, eventually go ...