Metallica rockers James Hetfield and Rob Trujillo are set to get animated for a new video game. The stars will be turned into computer characters for the latest installment of Tony Hawk's Pro Skater series, as part of a special download pack for the Xbox 360 and Playstation 3 consoles, which will be released on 4 December (12). The band's song All Nightmare Long will also feature on the game's soundtrack.