I found the following links to be the ultimate use, I guarantee if it's possible and already discovered, it's in one of those.
- http://minecraftjson.com/
- http://www.w3schools.com/json/json_syntax.asp
- http://json.parser.online.fr/
- Clear item with custom name?
- http://www.summon-helper.net/
- http://minecraft.gamepedia.com/Tutorials/Command_NBT_Tags?cookieSetup=true#Entitieshttps://minecraft.wiki/w/Tutorials/Command_NBT_Tags?cookieSetup=true#Entities
- http://www.minecraftforum.net/forums/mapping-and-modding/mapping-and-modding-tutorials/2225178-1-8-command-block-tutorials-custom-map-mechanics
- http://www.dragnoz.net/
- http://mrgarretto.com/commandvert
- http://www.minecraftupdates.com/summon-command
- http://mcstacker.bimbimma.com/
- http://minecraft.gamepedia.com/Command_Blockhttps://minecraft.wiki/w/Command_Block
- http://minecraft.gamepedia.com/Chunk_format#Mobshttps://minecraft.wiki/w/Chunk_format#Mobs
- http://www.minecraftforum.net/forums/mapping-and-modding/minecraft-tools/2142815-1-8-minecraft-command-generator