The Dark Knight, which features rival between Batman and The Joker (Heath Ledger), beats The Dark Knight Rises hands down. The two DC Comics Mimobot Thumb Drives feature cute Batman and The Joker. You can choose either Batman or The Joker DC Comics Mimobot Thumb Drives for $14.99 (4GB) or $19.99 (8GB). There are also bonus goodies pre-loaded in the thumb drives for you, which are desktop wallpaper, icons, and many more. The 2.5″ tall x 1″ wide thumb drives run on Hi-speed USB 2.0.