Nekomata are a kind of cat yōkai described in Japanese folklore, classical kaidan, essays, etc. There are two very different types: those that live in the mountains and domestic cats that have grown o
"Nekomata (猫また)" from the Hyakkai Zukan by Sawaki Suushi
"Nekomata to Ifu Koto (ねこまたといふ事)" from the "Tonoigusa" by Ogita Ansei (1660). A scene of a hunter shooting a nekomata that has shapeshifted into the hunter's mother.
Nekomata (猫また) from Bakemono no e (化物之繪, c. 1700), Harry F. Bruning Collection of Japanese Books and Manuscripts, L. Tom Perry Special Collections, Harold B. Lee Library, Brigham Young University.
Nekomata (猫また) from the Gazu Hyakki Yagyō by Sekien Toriyama
The kasha in Japanese folklore is a yōkai said to steal corpses. It is now generally regarded to be a monster in cat-form, though earlier archetypes made them demon-like.
Nekomata
…have a keen sense of detecting the smell of rot, so it was believed that they had a habit of approaching corpses; with this folk belief sometimes the kasha, a yōkai that steals corpses are seen to be the same as the nekomata. Also in Japan there are cat yōkai called bakeneko; and since nekomata are the…
"Kwasha/Kasha"―Toriyama Sekien's Gazu Hyakki Yagyō (1786)
"Kwasha/kasha" ―Original drawing by Rikan Mitsukata copied by Nabeta Gyokuei [ja], Kaibutsu gahon (1881)
Kasha from Bakemono no e (c. 1660).― Harry F. Bruning Collection of Japanese Books and Manuscripts, L. Tom Perry Special Collections, Harold B. Lee Library, Brigham Young University.
"Concerning How in the Manor of Ueda, Echigo, at the Time of Funeral, a Lightning Cloud Comes and Steals Corpses" from the Kii Zōdanshū, author unknown