public Creature buildCreature(){
		Creature creature = new Creature();
		if (name != null)
			creature.setName(name);
		if (fightStrategy != null)
			creature.setFightStrategy(fightStrategy);
		if (brain != null)
			head.add(brain);
		if (jaw != null)
			head.add(jaw);
		if (teeth != null)
			head.add(teeth);
		if (claws != null);
			legs.add(claws);
		if (head != null)
			creature.add(head);
		if (torso != null)
			creature.add(torso);
		if (legs != null)
			creature.add(legs);
		return creature;
	};