Wikipedia
Tōfu-kozō
Tōfu-kozō (, literally tofu boy) is a yōkai of Japan, and is a yōkai that takes on the appearance of a child possessing a tray with tōfu on it. It is a yōkai that frequently appears in the kusazōshi and kibyōshi and kaidan books from the Edo period, and from the Bakumatsu to the Meiji period, people have become familiar with them as a character illustrated on toys such as kites, sugoroku, and karuta. They can also be seen in senryū, kyōka, e-hon banzuke (pamphlets that introduce the contents of a shibai), and nishiki-e, etc.