yhere only one voice for the joker, mark hamill.

Warner Brothers Animation has released a new clip from BATMAN: THE DARK KNIGHT RETURNS, PART 2. This clip, titled “Kill Everybody”, features the Joker showing his true colors in a guest appearance on “The Dave Endochrine Show”. Michael Emerson (Lost, Person of Interest) offers the hauntingly casual voice of Joker; real-life talk show host Conan O'Brien provides the voice of Dave Endochrine; and Michael McKean (This is Spinal Tap) is the voice of Dr. Wolper.
BATMAN: THE DARK KNIGHT RETURNS, PART 2, the next entry in the popular, ongoing series of DC Universe Animated Original Movies, arrives January 29 from Warner Bros. Home Entertainment as a Blu-ray Combo Pack and DVD, On Demand and for Download. The PG-13 film is produced by Warner Premiere, DC Entertainment and Warner Bros. Animation.
The extended batman/superman fight sequence was unnecessary, but I loved Jokers rampage through the tunnel of love. Why is it that only animation directors can get Joker right?
Part 2 was still good, but it deviates from the source a bit more, and in some curious ways, than the 1st part. Still worth watching.