 The Puffball Collective was composed of a multitude of pale yellow thistle-like puffballs.The Puffball Collective tried help the Hulk, who had lost all of Bruce Banner's intellect and persona and now had the mentality of a feral animal.The Puffball Collective inspired the Hulk to try to think and survive, to try to find food to eat before the Hulk starved to death.