Mob labels with items

/summon Item ~ ~1 ~ {CustomName:"Cookie Villager",CustomNameVisible:1,Item:{Count:1,id:cookie},Age:-32768,PickupDelay:32767,Riding:{id:"Slime",Size:2,Attributes:[{Name:generic.attackDamage,Base:0}],Invulnerable:1,PersistenceRequired:1,ActiveEffects:[{Id:11,Amplifier:10,Duration:1999980},{Id:14,Amplifier:-1,Duration:1999980}],Riding:{id:"Villager",Profession:0,Invulnerable:1,ActiveEffects:[{Id:11,Amplifier:10,Duration:1999980}]}}}