johnny

/summon Villager ~1 ~ ~ {Profession:3,CustomName:"Johnny Boy",CustomNameVisible:1,Career:2,CareerLevel:42,CanPickUpLoot:0,PersistenceRequired:1,Silent:1,Invulnerable:1,Attributes:[{Name:"generic.knockbackResistance",Base:"1f"},{Name:"generic.movementSpeed",Base:"0f"},{Name:"generic.maxHealth",Base:99999}],Offers:{Recipes:[{buy:{id:"iron_ingot",Count:1},maxUses:1000000000000000000,sell:{id:"brick_block",Count:10},rewardExp:false},{buy:{id:"gold_ingot",Count:1},maxUses:1000000000000000000,sell:{id:"double_stone_slab",Count:20,Damage:4},rewardExp:false},{buy:{id:"coal",Count:1},maxUses:9999999,sell:{id:"brick_block",Count:1},rewardExp:false}]}}