Prototype Six Tails

Prototype Six Tails (六尾 Rokubi) is one of the Prototype Tailed Beasts.

Appearence
The Six Tails resembles a large white, with a slight light blueish tint, bipedal slug with stubby arms and feet. It has two prominent optical tentacles (eyes) and hole-like openings as a mouth. Its entire body is covered in a slimy substance.