There’s one very good reason why of all the characters in the DC Universe, Batman has the greatest number of fans. It’s not necessarily his backstory, or his personality, or even his iconography. No.
Some comic book storylines are memorable for a single event. Sometimes a character dies, other times a new character might debut. Sometimes it’s the passing of a torch that sticks in readers’ memories.
What’s the deal with Batman and the Joker? On a surface level their relationship is simple. You could ask any preschooler who has ever watched a Batman cartoon and they’ll tell you simply that Batman is the hero and Joker is the villain.