The original voice of Homer on The Tracey Ullman Show and the beginning of the first season was inspired by Walter Matthau, as the original sketch of Homer had a large overbite. However, Dan… [show all]The original voice of Homer on The Tracey Ullman Show and the beginning of the first season was inspired by Walter Matthau, as the original sketch of Homer had a large overbite. However, Dan Castellaneta dumbed him down and said "my jaw would go out, my neck would go in, and then my I.Q. would drop about 70 points." [hide]