Demon Quiz

What the hell!?
How dare you beat my excellent Devil Summoner Quiz up!?
But there’s no more such a chance! I've created 296 questions. Surely you see that even with infinite time, you’d never devise a way to defeat my Quiz, you monkeys!
Choose a demon that matches the following description!
A divine creature in Japanese lore.
They are three-legged birds sent by Amaterasu to help humans.
It is said that they helped Emperor Jinmu claim victory.
Current Answered Status:0/296