Super-sanity comes with super-intelligence
Batman is well-known for being one of the most skilled tacticians of the DC comic book universe. He is so famous for having contingency plans for all situations, that he is able to defeat anybody, even if he is not taking part in the battle.
So how can the Clown Prince of Crime escape him? Why doesn’t Batman build a safe prison where the Ace of Knaves can rot?
It is simple – the Joker is also one of the smartest characters of all time (and here are the smartest superheroes). We’ve mentioned the Emperor Joker – although that story wasn’t set in the canon universe, we can say that the Clown Prince of Crime became almost omnipotent because he tricked Mister Mxyzptlk into donating almost all of his power to him.
He is so smart that, at one time, he used his toxin gas to control the entire Justice League. Batman had to use all of his skills and assets to escape and catch the villain. As you can guess, he once again escaped. Which brings us to another point in the list.
