On the Batman TV series, ...
Question: On the Batman TV series, every Batman and Robin wanted to slide down the Batpole, they would flip up the head of a bust just outside the hidden door. Who was the bust of?
Answer: Holy setup, Kevin! Why do I get the feeling you know the answer to this and are simply trying to stump me? I usually avoid such questions because I like to help out those who really need to know something, but this time I'll bite since I grew up with that show and have a soft spot for it.
To gain access to the Batcave, either Bruce Wayne (Adam West) or Dick Grayson (Burt Ward) would push a button in a bust of William Shakespeare.