He is a living male quartzite rock, a form of the mineral quartz. Rocky is mute and armless, and has a tendency to barf a whole lot, he lives in Goiky. Rocky is quite bizarre and erratic, and he is usually seen as a liability by most people, given his lack of intelligence and his tendency to barf constantly. His vomit occasionally helps him and his teammates, but it usually flies on other object's faces or their property.