LASER COMMANDS MINECRAFT 1.8

/summon Guardian ~ ~ ~ {CustomName:"Laser",ActiveEffects:[{Id:14,Duration:100000000,Ambient:1},{Id:10,Amplifier:10,Duration:10000000,Ambient:1}]}

/summon Squid ~ ~2 ~ {Air:1000000}

/summon Squid ~ ~1 ~ {CustomName:"Zombie",Riding:{id:"Zombie",Equipment:[{},{},{},{},{id:leather_helmet}]},Air:1000000,ActiveEffects:[{Id:14,Duration:999999,Ambient:1}],Attributes:[{Name:generic.maxHealth,Base:0.5}]}