If he'd aged, he'd be a pensioner by now, but Batman is still going strong in his 75th year, with his latest film outing Batman Vs. Superman: Dawn Of Justice due out in 2016.
And, of course, there have been a great many incarnations of the caped crusader, with his famous batsuit getting subtle overhauls each time. Also changing over the years has been the bat-logo worn on the front of his costume.
To celebrate the upcoming Batman Day on July 23rd, halloweencostumes.com have put together this infographic, showing all the different logos used by Batman, both on screen and in the comics, together with explanations of each design change.
Take a look below and click on the image for a larger version.