The Batman Beyond skin has "hidden" wings. Like with the show they only pop out when you are gliding. And yes, you can use any Batman costume in the game once you finish it on Normal difficulty or higher. And were is the Fat
Batman from? Lol.
He just looks fat, he is actually RIPPED. That is from The Dark Knight Returns, an awesome book about Batman being older and having to get back in the game. He looks fat because of the drawings, i believe Frank Miller did it, so he was all scroggly looking
to boot. But yeah he does look like Fatman lol