new boss

you know in the end theres ender dragon, and in nether you can get wither head and spawn a wither, can you guys add a new boss in the sift? thats would be fun and the boss drop a item like wither drop wither stae, ender dragon drop Dragon egg , add a new boss in the sift and when he got defeated, he drop a item, and make it more Difficult to kill it, because its drop a rare item, purple one