Cocijo

In Zapotec mythic accounts preserved in iconography and colonial summaries, Cocijo is presented as a primary creative being. Sources report that Cocijo "made the sun, moon, stars, seasons, land, mountains, rivers, plants and animals, and day and night by exhaling and creating everything from his breath," placing the rain‑and‑lightning deity at the apex of the sacred order as both a maker of cosmological elements and the controller of meteorological processes. This creative role is presented in the literature as part of Cocijo's identity rather than as a detailed narrative sequence; the available sources emphasize his generative function and centrality to Zapotec worldviews.

Archaeological and iconographic evidence represents Cocijo with a zoomorphic face combining earth‑jaguar and sky‑serpent elements. Typical features include a wide, blunt snout and a long forked serpentine tongue; artists encoded cosmological motifs into the face (for example, eyebrows interpreted as the heavens, lower eyelids as clouds, and the forked tongue as a bolt of lightning). Cocijo frequently appears wearing a headdress bearing a Zapotec glyph (often described as a Zapotec "C") associated with water imagery; at Late Classic Lambityeco stucco busts show Cocijo holding a jar pouring water in one hand and bolts of lightning in the other. These motifs link jaguar and serpent fertility symbolism with storm imagery in Zapotec material culture.

Cocijo controls rainfall, thunder and lightning and is central to agricultural fertility in Zapotec religion. Ritual sources and iconography present the deity as the force who brings rain and thus secures the fertility of land and crops. Cocijo was propitiated through ritual actions including bloodletting and, historically, offerings that included human sacrifice — the sources state that Cocijo "frequently received human sacrifice, mostly in the form of children but also, less frequently, adults" — as payments for rain. In Postclassic calendrical practice the 260‑day year was divided into four 65‑day periods named "cocijos," a naming that implies multiple directional manifestations of Cocijo linked to ritual observance and the cardinal directions.