Denka

is a ninja cat that lives with Nekobaa at an Uchiha supply base. Suigetsu mistakes him for a tanuki.

Trivia

 * Hina and Denka are actual names of cats that are owned by Naruto's voice actress, Junko Takeuchi.
 * Junko Takeuchi also voiced Hina, while Denka was voiced by Kazuhiko Inoue, who also voiced Kakashi. His senses are sharp after sensing Sasuke's charkra and remembering him after the years apart.