In 1930 Benedict started his animation career at Walt Disney Studios. He then joined Universal Studios as an animator on Walter Lantz's Oswald the Lucky Rabbit shorts in 1933. During a brief return to Disney, Benedict received his only Disney credit in the 1940's on the animated film "Make Mine Music". Following this he spent several years animating television commercials. In 1952 Benedict joined Tex Avery's animation unit at MGM where Benedict worked on "Dixieland Droopy", "The First Bad Man", and "Deputy Droopy". In the late 1950's Benedict provided character designs for Hanna-Barbera's new animated television series, "The Ruff & Ready Show". At Hanna-Barbera he worked his way up to primary character designer. Characters designed by Benedict include Yogi Bear, Huckleberry Hound, Quick Draw McGraw, Fred and Wilma Flintstone, Barney and Betty Rubble and Dino the Snorkasaurus. In the 1960's Benedict continued working for Hanna-Barbera as a freelance artist until his retirement in the early 1970's.