Disney's Nine Old Men
Marc Davis (March 30, 1913 - January 12, 2000) started in 1935 on Snow White, and later he went on to work on the characters of Bambi and Thumper (in Bambi), Maleficent and the raven (in Sleeping Beauty), and Cruella DeVil (in One Hundred and One Dalmatians).  Davis also did character design for both the Pirates of the Caribbean and Haunted Mansion attractions at Disneyland.