Gollum
Gollum is a fictional character from J. R. R. Tolkien's legendarium. He was introduced in the 1937 fantasy novel "The Hobbit", and became an important character in its sequel, "The Lord of the Rings". Gollum was a Stoor Hobbit of the River-folk, who lived near the Gladden Fields. Originally known as Sméagol, he was corrupted by the One Ring and later named Gollum after his habit of making "a horrible swallowing noise in his throat".
Jason Schleifer
Jason Schleifer (born April 3, 1973) is an American animator, character technical director, and entrepreneur. Schleifer started his career at Alias/Wavefront where he was a product specialist during the development of Maya. His technical expertise in character rigging led him to work as a character technical director and eventually animation lead at Weta Digital where he helped create and animate the character, Gollum for the "Lord of the Rings" trilogy. In 2003 Schleifer moved back to the U.S. to work at PDI/DreamWorks in Redwood City, CA where he became Head of Character Animation and worked on feature films including "Madagascar", "Over the Hedge", "Megamind", and "Mr. Peabody & Sherman".