Tony is one of a kind, no question. Though I still chuckle at his performance in Spartacus - gee whiz, clearly a kid from the Bronx in that anicent epic! Haha!
...and Gore Vidal wrote the screenplay! That's when he was still a staunch conservative.
Curtis had two really good roles -- Some Like it Hot and the Boston Strangler. Very far apart and he handled both well. And then the rest seems to be a bunch of crap.
But really, Tony/Bernie, is still somewhat prototypical of his Hungarian heritage, in that he still dresses like a peacock.