King George V and Nelson (or Rodney, can't recall which) shelled the heck out of the Bismark and turned her into a blazing, doomed wreck after the Swordfish crippled her.
However, King George V was a battleship and battleships don't carry torpedoes. She was torpedoed by British destroyers or cruisers and her crew also set off the scuttling chargers. It was the scuttling charges that sank her, but she was doomed regardless.