Also Read: Jude Law in Talks to Play Captain Hook in Disney's Live-Action 'Peter Pan & Wendy'An adaptation of the award-winning book about one very special gorilla, Disney’s “The One and Only Ivan” is an unforgettable tale about the beauty of friendship, the power of visualization and the significance of the place one calls home. Ivan is a 400-pound silverback gorilla who shares a communal habitat in a suburban shopping mall with Stella the elephant, Bob the dog, and various other animals.