Summoning mob went wrong!

I was summoning in mobs with player skulls, trying to create a demon like mob. Well what i ended up with wasn't far from it. For some reason the mob that is summoned turns your screen red when you hit it and makes many other entities and blocks go haywire on the screen. Also sometimes if you open your inventory after killing it, it becomes in-accessible because the game will crash.

Here is the command i used:

/summon PigZombie ~ ~1 ~ {CustomName:"Demon",CustomNameVisible:1,IsBaby:1,Anger:1000000,ArmorItems:[{},{},{},{id:skull,Damage:3,Count:1,tag:{SkullOwner:{Id:"Satan"}}}],HandItems:[{id:stone_axe,Count:1,tag:{ench:[{id:minecraft:fire_aspect,lvl:1}]}},{}],HandDropChances:[0.3F,0.085F],Attributes:[{Name:generic.maxHealth,Base:50},{Name:generic.followRange,Base:12}],Health:50.0f,LeftHanded:1,Team:"Demon"}