Mark Richard Hamill is an American actor, voice actor, and writer, most famous for his portrayal of Luke Skywalker in the Star Wars franchise, Skips in Regular Show and the Joker in Batman: The Animated Series as well as the Arkham video games and many other Batman projects as Joker.
Hamill provides the voice of Mr. Block and Bob Block, as well as the voice of the Corn Field Farmer in Milo Murphy's Law.