Nerdy Fact: Mark Hamil, who portrayed Luke Skywalker in the original 'Star Wars' trilogy, actually voiced the Joker in the 1990s 'Batman: The Animated Series."
Mark Hamill Autographs Are Apparently Hilarious - this makes me like him even more.
Mark Hamill delights fans at Walt Disney World with tales of Luke and voice acting laughs at Star Wars Weekends 2014
I've known for a long time Mark Hamill does the voice of the Joker, but to see him perform it is kind of scary.. and amazing.
Mark Hamill everyone<<It's even better when you realize that he's gotten famous for his voice-acting since the first movies.
Mark Hamill at Star Wars Weekends 2014
I think Mark Hamill has just outgeeked both you gentlemen. < i had no idea he was so many people
Smooth move, Hamill. Real smooth.
Star Wars actor Mark Hamill put his voice acting skills to work over the weekend by reading tweets from President-elect Donald Trump as the Joker, a villain from Batman comic books.
The only clip I've ever found of Mark Hamill performing as the Joker