The goblin that Gollum killed was played by an actor wearing an animatronic head, and Andy Serkis hit it so hard with the rock that he broke all of the electronics inside. They had to repair it the rest of the day for more takes. Subscribe: https://bit.ly/3RBsQ8S Instagram: https://www.instagram.com/imeugeneclark #Shorts #MovieFacts #DidYouKnow