|Anime Debut||Episode 04|
|Voice Actor||Kyouko Chikiri|
|Book of Friends|
|List of Characters|
Although he probably had a proper name, this have not yet been revealed. He was a recurring character, though a minor one, whom Natsume usually came across when the kappa was dehydrated.
Natsume helped him by pouring water over him, so the kappa tried to help Natsume whenever he could. His name was not contained in the Yuujinchou.
He had a white disc on his head with body all green. His mouth beaklike is similar to that of duck.
At his back were turtle-like shell.
He was a kind spirit that willing to offer help to Natsume after he was saved twice by Natsume. When he caught some fish, he searched for Natsume to share it together.
Kappa or river-child is a youkai that found in Japanese culture. They are usually seen as a mischievous and trickster being. However, throughout the Natsume series, they were actually helpful to others, especially in this case, to Natsume.
He was also the one that informed Natsume about the evil exorcist that depriving other youkai's blood. He once mentioned that Natsume was capable person for knowing a lot of powerful youkai such as Misuzu and Benio.
Two kappas appeared in Episode 15, Melting into spring.