Are a large group of monkeys residing in Lung Mountain. They are black and white monkeys resembleing ninja's hence their name.
The official Skunk Fu site dictated that they act much like misbehaving kids, like Skunk and Rabbit don't get along. Even though they may not be brave, or strong, or smart, they are however great spies and sneak into the valley rarely being spotted, usually stealing. The Ninja Monkeys fight mostly out of fear of Baboon and Dragon rather then hatred towards the animals. They were however looked down on by the other animals because of their stupidity. Though they are rather stupid, they seem to have equal or even higher in brains compared to Pig or Ox. Additionally, their large numbers somewhat compensate for their incompetence.
They are afraid of the animals worried about getting beaten up, by people like Rabbit. But there have been times were a few Ninja Monkeys have done something good. They have a fedish for Bananas like all monkeys and do not speak in actual English, but much rather a jiberish monkey language translated only by Baboon and Ox.
They are considered dimwitted by Baboon because of their incompetence.
The Ninja Monkeys used to have a power of turning invisible so nobody can see them when they (the Ninja Monkeys) attack them.