 He died from natural causes at age 95 at his home in Studio City , Los Angeles on December 18 , 2006 , ending a 70 @-@ year career in animation . His wife Sheila was at his side . He was also survived by two grandchildren and five great @-@ grandchildren . He was also survived by three children from his first marriage , Jayne ( who worked for Hanna – Barbera ) , Lynn , and Neal . He is buried in a private section of the Great Mausoleum in Glendale 's Forest Lawn Memorial Park . 
