Originally known as Smeagol, this hobbit of the River-folk was corrupted by the ring. His obsession over the ring adds comedic relief to The Hobbit and The Lord of the Rings franchise and he becomes a central character in the evolution of the narrative. Peter Jackson’s film adaptation of Gollum famously includes a split personality that is almost childlike, which can also be noted in the dilation of his pupils. Gollum is a CGI character voiced and performed by actor Andy Serkis. In The Lord of the Rings: The Return of the King, Serkis appears as himself as Smeagol before his degeneration.