Kintoki

is a giant bear that lives on the island where Killer B and A trained.

Personality
Kintoki seems to be very interested in watching fights between very powerful Shinobi.

Appearance
Kintoki is a bear with white fur on his arms, legs and head. The fur on his paws and torso is black, as is a mark that runs over his right eye that resembles an eye patch.

Abilities
Kintoki being a giant bear is very strong. Though B did state while they where Sumo wrestling that Kintoki has gotten weaker.

Confining the Jinchūriki Arc
When B bested him in a sumō match, he told Kintoki that he had got soft. Later, alongside King and the other bears, Kintoki watched Might Guy with interest as he opened the sixth gate.

Trivia

 * Mount Kintoki is a mountain in Japan said to be home of Kintarō, a famous fairy tale character in Japan. Kintarō often sumō wrestled with his four animal friends, the most powerful of which was a bear like Kintoki.

Kintoki