* Mr. Magoo: Backus is perhaps best known for voicing the accident-prone, but good-natured, Mr. Magoo in the animated series and films.
* Thurston Howell III: Backus voiced the wealthy and eccentric millionaire on the popular TV sitcom "Gilligan's Island."
* The Narrator: In the animated series "The Bullwinkle Show," Backus provided the voice of the show's witty and sarcastic narrator.
* The King: He was the voice of the King in the animated series "The Adventures of Rocky and Bullwinkle."
* Dr. Frankenstein: Backus voiced the infamous mad scientist in the "Rocky and Bullwinkle" segment "Fractured Fairy Tales."
* The Wizard: He voiced the Wizard in the animated series "The Adventures of Merlin."
In addition to these well-known roles, Jim Backus voiced numerous other characters in animated series, films, and commercials. He was a true master of voice acting and his unique talents brought life and humor to countless characters.