Geek Fashion Presents the Neal Adams Batman Hoodie

I loved the Neal Adams when he did Batman years ago. It was such a classic and iconic look for the Caped Crusader. So now I stumbled upon this cool looking hoodies that's sold online.

And I was like, waaaaahhhhhhhh. Really cool stuff. As for the Joker, I'm pretty sure this isn't done by Adams. Any guess who this could be?