Bill Odenkirk (born October 13, 1965 in Naperville, Illinois), is an American comedy writer.
He is the brother of American comedian Bob Odenkirk, who is best known for his work on the sketch comedy TV show Mr. Show with Bob and David, which Bill also worked on as a writer, producer and actor. Bob is also well known for his role as Saul Goodman in the AMC drama Breaking Bad.
Odenkirk went on to write for Tenacious D and Futurama. Most recently he has written and executive produced episodes of The Simpsons. He holds a PhD in Inorganic chemistry from the University of Chicago.