While it was never confirmed it’s widely believed of course Heath Ledger based his Joker voice and mannerisms (The Dark Knight, 2008) on Tom Waits - as this 1979 interview heavily indicates.

While it was never confirmed it’s widely believed of course Heath Ledger based his Joker voice and mannerisms (The Dark Knight, 2008) on Tom Waits - as this 1979 interview heavily indicates.