Prototype Four Tails

Prototype Four Tails (四尾のプロトタイプ, Yonbi no purototaipu) is one of the Prototype Tailed Beasts.

Appearence
The Four Tails is a huge black ball with eyes, wearing a yellow hard hat with a green cross on it and Four spike-like tails.

Abilities
The Prototype Four Tails possesses an enormous supply of chakra and is able to create the Tailed Beast Bomb. It can create Minions and wield a pick axe, which causes a shock wave when thrust into the ground.