Ganondorf was once a free man back in the World Melee, but that changed when his old self known as Demise returns and is trapped in between the worlds of Brawl and Melee, he must serve him with respect and try to get him out of there before he dies. Ganondorf doesn't like the idea of serving another person so when he's not with Demise he talks smack about him. With Ganondorf's voice keep it low and make it sound evilish to give a great performance.