Kidney is a bit of nervous, hence his name, he likes to sneak at the other animals's cave at night to take their kidneys and eat them, it's unknown if he can see even without his eyes.
Kidney is a grey dog-wolf-fox hybrid. He wears a black hoodie jacket and wears a dark blue mask. He has no eyes and has black substance flowing out of his eye sockets.
- He is based on Eyeless Jack.