Full list of reoccuring characters played by Harry Shearer on The Simpsons
- Charles Montgomery Burns, the boss.
- Waylon Smithers, Mr. Burns' sycophantic side-kick. Rumored to follow an "Alternative Lifestyle".
- Ned Flanders, Homer's next-door neighbor.
- Lenny, Homer's nasal-voiced co-worker. "Not Lenny!"
- Seymour Skinner, Principal of Springfield Elementary School.
- Rev. Timothy Lovejoy, Pastor of the First Church of Springfield.
- Otto Mann, the school bus driver.
- Jebediah Obadiah Zachariah Jedediah Springfield, Town founder.
- Kent Brockman, emmy-winning newsman for Channel 6.
- Rainier Wolfcastle, a.k.a. McBain, hero of a series of high-violence movies.
- Dr. Julius Hibbert, Simpsons' family doctor.
- Dr. Marvin Monroe, Psychiatrist at the Family Therapy Center.
- Jasper, white-bearded inmate at the Retirement Castle.
- Kang, frequent alien visitor, brother of Kodos, has problems with depth perception.
- Herman, one-armed owner of a military antiques store.
- Captain McAllister, a.k.a. The Old Sea Captain. Owner and proprietor of The Frying Dutchman. Has two glass eyes and is not really a captain.
- God, the Almighty.
- Satan, the devil himself.
- Smilin' Joe Fission, character in SNPP's public relations films.
- Mr. Dewey Largo, bandleader and Lisa's music teacher.
- J. Loren Pryor, school district psychiatrist.
- Grampa Bouvier, Marge's father.
- Judge Snyder.
- George Bush, former US President. Had a feud with the Simpson men.
- Harry S. Truman, Minted the trillion-dollar bill.
- Adolf Hitler, "Das est eien boobie!"
- Pauly Shore, man from MTV; also on the spaceship; wants to do a show with Tom Arnold.
- Woody Allen, stars in a commercial in Japan.
- Birch Barlow, Rush Limbaugh knockoff.
See also: Hank Azaria
, Dan Castellaneta
, Nancy Cartwright