Marx is an evil creature. Marx first made the sun and the moon fight, then tricked Kirby into summoning the Galactic Nova. When Kirby was about to make his wish, Marx knocks him out of the way and wishes for total control of Pop Star. Kirby fights Marx and wins, and Marx is sent hurling into Nova and the two blow up. But in space, a paralyzed Marx sucked up the remaining power of the Nova and his evil soul was brought forth. Kirby fought Marx Soul and won once again, destroying him once and for all.