Here's The Command, Have fun and kill him the items are cool :D /summon Giant ~0 ~1 ~0 {Equipment:[{Count:1,id:bow,tag:{Unbreakable:1,ench:{id:50,lvl:1},{id:51,lvl:1},{id:48,lvl:5},{id:49,lvl:2},{id:34,lvl:3}]}},{Count:1,id:iron_boots,tag:{Unbreakable:1,ench:[{id:3,lvl:4},{id:8,lvl:3},{id:2,lvl:4},{id:1,lvl:4},{id:4,lvl:4},{id:0,lvl:4},{id:7,lvl:3},{id:34,lvl:3}]}},{Count:1,id:golden_leggings,tag:{Unbreakable:1,ench:[{id:3,lvl:4},{id:1,lvl:4},{id:4,lvl:4},{id:0,lvl:4},{id:7,lvl:3},{id:34,lvl:3}]}},{Count:1,id:diamond_chestplate,tag:{Unbreakable:1,ench:[{id:3,lvl:4},{id:1,lvl:4},{id:4,lvl:3},{id:0,lvl:4},{id:7,lvl:3},{id:34,lvl:3}]}},{Count:1,id:skull,Damage:3,tag:{SkullOwner:MHF_Blaze}}],CustomName:BetterBlaze,CustomNameVisible:1,Attributes:[{Name:generic.maxHealth,Base:1},{Name:generic.movementSpeed,Base:0.1},{Name:generic.attackDamage,Base:999},{Name:generic.followRange,Base:999},{Name:generic.knockbackResistance,Base:999}],DropChances:[2.0F,0.1F,0.4F,0.7F,2.0F],ActiveEffects:[{Id:22,Amplifier:1,Duration:999999},{Id:15,Amplifier:1,Duration:999999},{Id:12,Amplifier:1,Duration:999999},{Id:3,Amplifier:1,Duration:999999},{Id:21,Amplifier:1,Duration:999999},{Id:17,Amplifier:1,Duration:999999},{Id:7,Amplifier:1,Duration:999999},{Id:6,Amplifier:1,Duration:999999},{Id:14,Amplifier:1,Duration:999999},{Id:8,Amplifier:1,Duration:999999},{Id:4,Amplifier:1,Duration:999999},{Id:9,Amplifier:1,Duration:999999},{Id:16,Amplifier:1,Duration:999999},{Id:19,Amplifier:1,Duration:999999},{Id:10,Amplifier:1,Duration:999999},{Id:11,Amplifier:1,Duration:999999},{Id:23,Amplifier:1,Duration:999999},{Id:2,Amplifier:1,Duration:999999},{Id:1,Amplifier:1,Duration:999999},{Id:5,Amplifier:1,Duration:999999},{Id:13,Amplifier:1,Duration:999999},{Id:18,Amplifier:1,Duration:999999},{Id:20,Amplifier:1,Duration:999999}],Invulnerable:1,Silent:1,PersistenceRequired:1,CanPickUpLoot:1}

PS: Pleace send that and more to friends :)