Giant Squid

The Giant Squid was a large cephalopod that served as the guardian of the island where Killer B and A trained.

Personality
The squid was both very dutiful and hostile in nature, attacking anyone or anything that came near the Island Turtle, even Kumogakure ninja.

Confining the Jinchūriki Arc
When the Kumogakure ship that was carrying Naruto and his bodyguards arrived, it attacked the ship, but was stopped by Killer B in his Eight-Tails form. It later attacked Motoi after he came to find Naruto Uzumaki. Yamato and Naruto tried to rescue him, but once again B was quicker. Some time later, the squid encountered Manda II who was trying to infiltrate the island. Engaging the giant snake directly, the squid was however torn to shreds after getting in the snake's way.