I don't think I can accept Madden as Batman lol! To me, he looks like Henry Cavill's brother, sometimes his twin even. I just don't see it in his face anyway.
You're not the only one who thinks he'd be a good Batman.
The only thing going against Gosling is his voice. I see the billionaire playboy Bruce (as does everyone) but I see the intensity when he works with Nicolas Winding Refn (Drive, Only God Forgives). In those movies, he's extremely dark and intense, and VERY quiet. Apparently in
Forgives he speaks even less than he did in Drive and is more violent.
That approach to not speaking much, would work extremely well when he's brooding in the cave or when he's Batman. And of course when he speaks, he can put on a subtle voice like Keaton did. That approach speaks volumes to Bruce's character, who is extremely internal. And then as the playboy out in public he can turn on the charm he's known for, talkative, same voice and everything. The contrast would be unreal. You would never expect that guy to be Batman.
His name is just as big as Bale's, maybe even bigger at the moment.
If he doesn't play Barry Allen (perfect choice for default Gosling lol), then I would love him to transform into the role of Batman.
Luke Evans is another great choice but he would have to bulk up.