The Monking is a giant monkey similar to the removed monkey mob (although they can be found in creative.)
Stats:
Health:1500
Attack:Maybe at least 15? Plus ground pounds and fall damage.
Defense:Not so good.
How to Kill:Take out a bigsword and smack him in the tail. That way, it does 120 damage. Wear the dragon helm, king armor, turtle leggings, and cloud boots, bring good food and enchanted golden apples, and you're fine.
Behavior:A cool golem-like boss.
Spawns:In the Big Tree in the forest or jungle.