User blog comment:Devilishmind of fun/I think I found out who The Joker is/@comment-4858246-20130424190129

well there are several refrences to the lastname White when the Joker is involved like one of the auido tapes in Arkham Asylum joker is refered to as Mr White and in The Dark Knight when bruce goes on the motorbike to the funeral of the commsisoner he asks Alfred for assosiates and that kind of stuff and Alfred mentions someone called Melvin White