Ryūrimaru

Ryurimaru was Hisen's summoning animal that appeared in the light novel adaption of Naruto: Mission: Protect The Waterfall Village (novel). It was used by Shibuki when fighting against Suien.

Appearance
Ryurimaru has the appearance of a crimson white catfish that was six times the size of a human man.

Personality
Ryurimaru was very loyal and obedient to Hisen.

Abilities
Ryurimaru had the ability to use Transformation Technique.