Halloween Bat T-Shirt - Die Fledermaus is known by some as a Strauss operetta, and by others as The Tick's parody of Batman. Fledermaus is the German word for Bat, and is literally translated as "fluttering mouse" which makes it sound less intimidating if you ask me. I like to imagine that this is Count Dracula, or some other classic vampire, returning to his castle at the end of a long night of terrifying the villagers. If you get this little guy on a canvas tote bag, it makes a spooktacular Trick or Treat bag! You'll love this spooky Halloween t-shirt.