Chainya

is a ninneko from Cat Fortress.

Background
When Team 7 sneaks into the Cat Fortress, and Sakura Haruno ends up in a bar, where she learns from the gentleman cat about the location of the Nekomata, Chainya watches her from the corner, hiding behind a newspaper. He later catches up with her on the roof and, expressing suspicion, fights with the young kunoichi. For some period of time, Chainya surpasses her rival, but due to the fact that during the battle the water tower full of water was damaged by a kunai, the cat is doused with cold water, his body temperature drops, and he gives up, losing the battle.

Personality
He is a very perceptive cat who suspected something was wrong with Sakura's disguise, while the other cats did not notice anything. He is also confident in his abilities, believing that he will defeat Sakura in a fight. Like any cat, Chainya does not like water.

Appearance
Chainya is a rather tall cat, given the fact that he walks on his hind legs, with black fur and brown ears. The fur has a lightning bolt pattern in the center of its head and is yellow in color in this area. He wears a sleeveless white kimono, but with a bow tie around the neck, and gray pants.

Abilities
Chainya is very flexible and dexterous, and has a decent level of taijutsu, surprising Sakura, who recognized the superiority of her opponent. He is able to strengthen his claws with chakra, countering with their help against a kunai, easily knocking it out of Sakura's hands. However, he has a weakness to water, which is why he lost the battle after being soaked by its strong flow.

Trivia

 * The second part of his name, "nya", means "meow" in Japanese.