He was good as the joker imo i mean he didn't play the one in the comics but still a good interpretation.
I liked both versions the more psychotic version in dark knight and the light comical yet crazy one in batman.
An insider close to Nicholson has refuted the reports that he has retired in a statement to NBC News. The source says that the rumors are “100% false,” and that Jack is “actively reading scripts and is looking forward to his next project.”
Thank God he is not retiring. He is one of the best actors in Hollywood. We need, at least, to see him making two or three movies before he decides to stop acting.