Tlazolteotl, Eater of Filth, is the Aztec goddess who eats tlazolli - filth, rubbish, entanglement - and who therefore takes confession. The Florentine Codex (Book 1 and Book 6) describes the rite: the penitent spoke the whole account of their sexual and other transgressions to a priest who answered for the goddess, and the impurity was consumed; the confession was made once in a lifetime, usually in old age, and the sources say it was absolute. She is one of the Ixcuinan, the four sisters, is linked with the Cihuapipiltin, the women who died in childbirth, is the patron of the temazcal and of spinners, and in the Codex Borbonicus she is shown giving birth to Cinteotl.
Modern Practice
Tlazolteotl is worked for confession, for the shame that will not be put down by will, and for the body as the place where sex, illness and the sacred meet. The temazcal and the sweat are hers, and so is the rule that the confession is spoken aloud to another person and not merely thought.