Could it be? That the man mistaken most of all for joker might actually be the dark knight? Is this why he looks so sleepy during press conferences?
Read The Onions take here:
http://www.avclub.com/content/hater/batman_is_in_the_bush_lovin_eye
And here is the original article:
http://online.wsj.com/article_print/SB121694247343482821.html