What is the simpsons mark hamill?

Mark Hamill is an American actor and voice actor, best known for his role as Luke Skywalker in the Star Wars film series. In addition to his iconic role in Star Wars, he has also done extensive voice work, including as the voice of the Joker in the Batman: The Animated Series, and as Firelord Ozai in Avatar: The Last Airbender.

Hamill has made several guest appearances on The Simpsons, starting in 1990 with his role as himself in the episode "Mayored to the Mob". He has also voiced several other characters on the show, including the villainous businessman Jay Sherman in "A Star Is Burns", and himself again in "The Great Phatsby". His most recent appearance on The Simpsons was in the episode "Bart the Bad Guy" in 2020, in which he played himself once again.

Hamill is known for his sense of humor and has been a fan of The Simpsons for many years. In interviews, he has spoken about how much he enjoys working on the show and interacting with the cast and crew. His performances on The Simpsons have been praised by fans and critics alike, and he continues to be a popular figure in pop culture today.