>>113771372And he originally called himself Mr. Zero (even in post-Crisis canon).
Joe Chill was shot dead by his henchmen after Batman revealed his identity to him, then it was revealed he was working for Lew Moxon, then he had a hook-handed brother, then his mom babysat Bruce, then the Reaper actually killed him, then Batman never actually found his parents' killer, then he did find Joe Chill who immediately killed himself, then he confronted Joe Chill but nothing happened and he is now in prison.
PHEW! Also, Jason originally being a circus kid just like Dick, all the weird shit they pulled with the New 52 origins and all the villains being given closer ties to Bruce (Freeze and Ivy working at Wayne Ent.) Wayne Manor being destroyed by the earthquake, but then Morrison saying it was only partially damaged.
Alfred originally not even meeting Bruce until after Dick was Robin, Dick being present for the debut of most of the early rogues gallery (which is apparently canon again?), Bruce starting out in a penthouse in Manhattan until they came up with Gotham City, and Wayne Manor not even being his ancestral home.
Arkham Asylum was supposed to have opened in 1920 according to Wein and Morrison, The New 52 pushed it back to the late 1800s, Amadeus was an only child and had a daughter who died young, but Jeremiah must be descended from him somehow. Arkham has been variously placed in Bristol, Somerset, and the Narrows.
The infamous "Old Wayne Tower" is actually a retcon, it was known as the Corona Building in the early 90s until Wayne Enterprises needed a new HQ and bought the building.
The constant flip-flopping of whether or not Batman founded the JLA and his involvement in the early days of the team, as well as Black Canary's presence in the Appellax battle... Wonder Woman's debut relative to other heroes being shifted around CONSTANTLY... I could go on.