public void onSpawn(CreatureSpawnEvent event){
        if (event.isCancelled()) return;

        Location location = event.getLocation();
        Entity entity = event.getEntity();
        EntityType creatureType = event.getEntityType();
        World world = location.getWorld();

        net.minecraft.server.World mcWorld = ((CraftWorld) world).getHandle();
        net.minecraft.server.Entity mcEntity = (((CraftEntity) entity).getHandle());

        if (creatureType == EntityType.VILLAGER && mcEntity instanceof HumanNPC == false){
            HumanNPC npc = new HumanNPC(((CraftServer)Bukkit.getServer()).getServer(), mcWorld, "Bard", new ItemInWorldManager(mcWorld));

            npc.setPosition(location.getX(), location.getY(), location.getZ());

            mcWorld.removeEntity((net.minecraft.server.EntityVillager) mcEntity);
            mcWorld.addEntity(npc, SpawnReason.CUSTOM);

            return;
        }

    public void onSpawn2(CreatureSpawnEvent event){
        if (event.isCancelled()) return;

        Location location = event.getLocation();
        Entity entity = event.getEntity();
        EntityType creatureType = event.getEntityType();
        World world = location.getWorld();

        net.minecraft.server.World mcWorld = ((CraftWorld) world).getHandle();
        net.minecraft.server.Entity mcEntity = (((CraftEntity) entity).getHandle());

        if (creatureType == EntityType.VILLAGER && mcEntity instanceof HumanNPC == false){
            HumanNPC npc = new HumanNPC(((CraftServer)Bukkit.getServer()).getServer(), mcWorld, "Archer", new ItemInWorldManager(mcWorld));

            npc.setPosition(location.getX(), location.getY(), location.getZ());

            mcWorld.removeEntity((net.minecraft.server.EntityVillager) mcEntity);
            mcWorld.addEntity(npc, SpawnReason.CUSTOM);

            return;
        }

    public void onSpawn3(CreatureSpawnEvent event){
        if (event.isCancelled()) return;

        Location location = event.getLocation();
        Entity entity = event.getEntity();
        EntityType creatureType = event.getEntityType();
        World world = location.getWorld();

        net.minecraft.server.World mcWorld = ((CraftWorld) world).getHandle();
        net.minecraft.server.Entity mcEntity = (((CraftEntity) entity).getHandle());

        if (creatureType == EntityType.VILLAGER && mcEntity instanceof HumanNPC == false){
            HumanNPC npc = new HumanNPC(((CraftServer)Bukkit.getServer()).getServer(), mcWorld, "Diamond", new ItemInWorldManager(mcWorld));

            npc.setPosition(location.getX(), location.getY(), location.getZ());

            mcWorld.removeEntity((net.minecraft.server.EntityVillager) mcEntity);
            mcWorld.addEntity(npc, SpawnReason.CUSTOM);

            return;
        }
    }